I used to have a replay that worked perfektly a few times ago, but not right now anymore. This replay has been recorded on a modded server, including a pretty high amount of mods tbh. When I'm oppening the replay with the right mods and the right versions of them, it crashes at ''Saving World''. But I use the right and the same mod version ! As i said it worked very well before. It suddenly crashes now for some reasons despite i didn't changed anything with the mods version.
In short, it's probably impossible to give help on this issue without putting there the crash report and the mods using in the client and in the server. Let me know if you need more infos!

Crash report when oppening the replay : (I do not have knowledge in the field of coding, so be kind pls cause it's maybe not the right crash report idk)

[18:47:13] [modloading-worker-0/INFO] ========================================
[18:47:13] [modloading-worker-0/INFO] Minecraft: 1.20.1
[18:47:13] [modloading-worker-0/INFO] Side: client
[18:47:13] [modloading-worker-0/INFO] Development: false
[18:47:13] [modloading-worker-0/INFO] Version: 12.1.725
[18:47:13] [modloading-worker-0/INFO] Loader:
[18:47:13] [modloading-worker-0/INFO] - Forge: 47.2.17
[18:47:13] [modloading-worker-0/INFO] Dependencies:
[18:47:13] [modloading-worker-0/INFO] - Cloth Config: 11.1.118
[18:47:13] [modloading-worker-0/INFO] - Architectury: 9.2.14
[18:47:13] [modloading-worker-0/INFO] Mixin: 0.8.5
[18:47:13] [modloading-worker-0/INFO] OS: Windows 11 10.0 (amd64)
[18:47:13] [modloading-worker-0/INFO] Java: 17.0.10 (Azul Systems, Inc.)
[18:47:13] [modloading-worker-0/INFO] ========================================
[18:47:13] [modloading-worker-0/INFO] Mods:
[18:47:13] [modloading-worker-0/INFO] - alexsmobs: 1.22.8
[18:47:13] [modloading-worker-0/INFO] - ambientsounds: 5.3.9
[18:47:13] [modloading-worker-0/INFO] - amecsapi: 1.5.3+mc1.20-pre1
[18:47:13] [modloading-worker-0/INFO] - architectury: 9.2.14
[18:47:13] [modloading-worker-0/INFO] - axiom: 2.7.0
[18:47:13] [modloading-worker-0/INFO] - blue_endless_jankson: 1.2.2
[18:47:13] [modloading-worker-0/INFO] - bn_blood_particles_mod: 0.8.0
[18:47:13] [modloading-worker-0/INFO] - citadel: 2.5.4
[18:47:13] [modloading-worker-0/INFO] - cloth_config: 11.1.118
[18:47:13] [modloading-worker-0/INFO] - com_github_jdiemke_delaunay_triangulator_delaunaytriangulator: 1.0.0
[18:47:13] [modloading-worker-0/INFO] - com_github_llamalad7_mixinextras: 0.2.0-beta.9
[18:47:13] [modloading-worker-0/INFO] - com_moulberry_axiomclientapi_axiomclientapi_: 1.0.0
[18:47:13] [modloading-worker-0/INFO] - connectedglass: 1.1.11
[18:47:13] [modloading-worker-0/INFO] - connectorextras: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectorextras_architectury_bridge: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectorextras_continuity_compat: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectorextras_emi_bridge: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectorextras_energy_bridge: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectorextras_geckolib_fabric_compat: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectorextras_jei_bridge: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectorextras_kubejs_bridge: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectorextras_modmenu_bridge: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectorextras_pehkui_bridge: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectorextras_rei_bridge: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectorextras_terrablender_bridge: 1.10.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - connectormod: 1.0.0-beta.43+1.20.1
[18:47:13] [modloading-worker-0/INFO] - creativecore: 2.11.27
[18:47:13] [modloading-worker-0/INFO] - do_a_barrel_roll: 3.5.5+1.20.1
[18:47:13] [modloading-worker-0/INFO] - eatinganimationid: 1.201.9.61
[18:47:13] [modloading-worker-0/INFO] - embeddium: 0.3.19+mc1.20.1
[18:47:13] [modloading-worker-0/INFO] - entity_model_features: 2.0.2
[18:47:13] [modloading-worker-0/INFO] - entity_texture_features: 6.0.1
[18:47:13] [modloading-worker-0/INFO] - entityculling: 1.6.2
[18:47:13] [modloading-worker-0/INFO] - fabric_api: 0.92.1+1.11.8+1.20.1
[18:47:13] [modloading-worker-0/INFO] - fabric_api_base: 0.4.31+ef105b4977
[18:47:13] [modloading-worker-0/INFO] - fabric_api_lookup_api_v1: 1.6.36+67f9824077
[18:47:13] [modloading-worker-0/INFO] - fabric_biome_api_v1: 13.0.13+dc36698e77
[18:47:13] [modloading-worker-0/INFO] - fabric_block_api_v1: 1.0.11+0e6cb7f777
[18:47:13] [modloading-worker-0/INFO] - fabric_block_view_api_v2: 1.0.1+0767707077
[18:47:13] [modloading-worker-0/INFO] - fabric_blockrenderlayer_v1: 1.1.41+1d0da21e77
[18:47:13] [modloading-worker-0/INFO] - fabric_client_tags_api_v1: 1.1.2+5d6761b877
[18:47:13] [modloading-worker-0/INFO] - fabric_command_api_v1: 1.2.34+f71b366f77
[18:47:13] [modloading-worker-0/INFO] - fabric_command_api_v2: 2.2.13+561530ec77
[18:47:13] [modloading-worker-0/INFO] - fabric_content_registries_v0: 4.0.11+a670df1e77
[18:47:13] [modloading-worker-0/INFO] - fabric_convention_tags_v1: 1.5.5+fa3d1c0177
[18:47:13] [modloading-worker-0/INFO] - fabric_data_attachment_api_v1: 1.0.0+30ef839e77
[18:47:13] [modloading-worker-0/INFO] - fabric_data_generation_api_v1: 12.3.4+369cb3a477
[18:47:13] [modloading-worker-0/INFO] - fabric_dimensions_v1: 2.1.54+8005d10d77
[18:47:13] [modloading-worker-0/INFO] - fabric_entity_events_v1: 1.6.0+6274ab9d77
[18:47:13] [modloading-worker-0/INFO] - fabric_events_interaction_v0: 0.6.2+0d0bd5a777
[18:47:13] [modloading-worker-0/INFO] - fabric_game_rule_api_v1: 1.0.40+683d4da877
[18:47:13] [modloading-worker-0/INFO] - fabric_item_api_v1: 2.1.28+4d0bbcfa77
[18:47:13] [modloading-worker-0/INFO] - fabric_item_group_api_v1: 4.0.12+c9161c2d77
[18:47:13] [modloading-worker-0/INFO] - fabric_key_binding_api_v1: 1.0.37+561530ec77
[18:47:13] [modloading-worker-0/INFO] - fabric_lifecycle_events_v1: 2.2.22+afab492177
[18:47:13] [modloading-worker-0/INFO] - fabric_loot_api_v2: 1.2.1+eb28f93e77
[18:47:13] [modloading-worker-0/INFO] - fabric_message_api_v1: 5.1.9+52cc178c77
[18:47:13] [modloading-worker-0/INFO] - fabric_mining_level_api_v1: 2.1.50+561530ec77
[18:47:13] [modloading-worker-0/INFO] - fabric_model_loading_api_v1: 1.0.3+6274ab9d77
[18:47:13] [modloading-worker-0/INFO] - fabric_models_v0: 0.4.2+7c3892a477
[18:47:13] [modloading-worker-0/INFO] - fabric_networking_api_v1: 1.3.11+503a202477
[18:47:13] [modloading-worker-0/INFO] - fabric_object_builder_api_v1: 11.1.3+2174fc8477
[18:47:13] [modloading-worker-0/INFO] - fabric_particles_v1: 1.1.2+78e1ecb877
[18:47:13] [modloading-worker-0/INFO] - fabric_recipe_api_v1: 1.0.21+514a076577
[18:47:13] [modloading-worker-0/INFO] - fabric_registry_sync_v0: 2.3.3+1c0ea72177
[18:47:13] [modloading-worker-0/INFO] - fabric_renderer_api_v1: 3.2.1+1d29b44577
[18:47:13] [modloading-worker-0/INFO] - fabric_renderer_indigo: 1.5.1+67f9824077
[18:47:13] [modloading-worker-0/INFO] - fabric_rendering_data_attachment_v1: 0.3.37+a6081afc77
[18:47:13] [modloading-worker-0/INFO] - fabric_rendering_fluids_v1: 3.0.28+4ac5e37a77
[18:47:13] [modloading-worker-0/INFO] - fabric_rendering_v1: 3.0.8+66e9a48f77
[18:47:13] [modloading-worker-0/INFO] - fabric_resource_conditions_api_v1: 2.3.8+9ad825cd77
[18:47:13] [modloading-worker-0/INFO] - fabric_resource_loader_v0: 0.11.10+bcd08ed377
[18:47:13] [modloading-worker-0/INFO] - fabric_screen_api_v1: 2.0.8+45a670a577
[18:47:13] [modloading-worker-0/INFO] - fabric_screen_handler_api_v1: 1.3.30+561530ec77
[18:47:13] [modloading-worker-0/INFO] - fabric_sound_api_v1: 1.0.13+4f23bd8477
[18:47:13] [modloading-worker-0/INFO] - fabric_transfer_api_v1: 3.3.5+631c9cd677
[18:47:13] [modloading-worker-0/INFO] - fabric_transitive_access_wideners_v1: 4.3.1+1880499877
[18:47:13] [modloading-worker-0/INFO] - fallingleaves: 2.1.0
[18:47:13] [modloading-worker-0/INFO] - forge: 47.2.17
[18:47:13] [modloading-worker-0/INFO] - forgeconfigapiport: 8.0.0
[18:47:13] [modloading-worker-0/INFO] - fusion: 1.1.1
[18:47:13] [modloading-worker-0/INFO] - handcrafted: 3.0.6
[18:47:13] [modloading-worker-0/INFO] - horror_element_mod: 1.5.8
[18:47:13] [modloading-worker-0/INFO] - immersive_aircraft: 0.7.5+1.20.1
[18:47:13] [modloading-worker-0/INFO] - immersive_armors: 1.6.1+1.20.1
[18:47:13] [modloading-worker-0/INFO] - improved_animations: 1.0.2
[18:47:13] [modloading-worker-0/INFO] - majruszlibrary: 7.0.8
[18:47:13] [modloading-worker-0/INFO] - majruszsdifficulty: 1.9.10
[18:47:13] [modloading-worker-0/INFO] - minecraft: 1.20.1
[18:47:13] [modloading-worker-0/INFO] - mixinextras: 0.3.5
[18:47:13] [modloading-worker-0/INFO] - modmenu: 7.2.2
[18:47:13] [modloading-worker-0/INFO] - notenoughanimations: 1.7.3
[18:47:13] [modloading-worker-0/INFO] - oculus: 1.7.0
[18:47:13] [modloading-worker-0/INFO] - parcool: 1.20.1-3.2.1.2-R
[18:47:13] [modloading-worker-0/INFO] - physicsmod: 3.0.14
[18:47:13] [modloading-worker-0/INFO] - playeranimator: 1.0.2-rc1+1.20
[18:47:13] [modloading-worker-0/INFO] - reach_entity_attributes: 2.4.0
[18:47:13] [modloading-worker-0/INFO] - replaymod: 1.20.1-2.6.14
[18:47:13] [modloading-worker-0/INFO] - resourcefullib: 2.1.24
[18:47:13] [modloading-worker-0/INFO] - roughlyenoughitems: 12.1.725
[18:47:13] [modloading-worker-0/INFO] - rubidium: 0.7.1
[18:47:13] [modloading-worker-0/INFO] - silentgear: 3.6.3
[18:47:13] [modloading-worker-0/INFO] - silentgems: 4.7.0
[18:47:13] [modloading-worker-0/INFO] - silentlib: 8.0.0
[18:47:13] [modloading-worker-0/INFO] - skinlayers3d: 1.6.4
[18:47:13] [modloading-worker-0/INFO] - smallships: 2.0.0-b1.2
[18:47:13] [modloading-worker-0/INFO] - sophisticatedbackpacks: 3.20.2.1022
[18:47:13] [modloading-worker-0/INFO] - sophisticatedcore: 0.6.8.567
[18:47:13] [modloading-worker-0/INFO] - sound_physics_remastered: 1.20.1-1.3.1
[18:47:13] [modloading-worker-0/INFO] - supermartijn642corelib: 1.1.17
[18:47:13] [modloading-worker-0/INFO] - wakes: 0.2.2
[18:47:13] [modloading-worker-0/INFO] - weaponmaster_ydm: 4.2.3
[18:47:13] [modloading-worker-0/INFO] ========================================
[18:47:13] [modloading-worker-0/DEBUG] [REI] Added filtering rule [roughlyenoughitems:search]: INSTANCE
[18:47:13] [modloading-worker-0/DEBUG] [REI] Added filtering rule [roughlyenoughitems:manual]: INSTANCE
[18:47:13] [modloading-worker-0/DEBUG] [REI] Added filtering rule [roughlyenoughitems:basic]: INSTANCE
[18:47:14] [modloading-worker-0/INFO] [REI] Config loaded
[18:47:14] [modloading-worker-0/DEBUG] [REI] Config saved
[18:47:14] [modloading-worker-0/DEBUG] [REI] Config saved
[18:47:14] [modloading-worker-0/DEBUG] [REI] Config saved
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider FabricFluidAPISupportPlugin for REIServerPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider FabricFluidAPISupportPlugin for REIPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider REICombatForge [immersive_aircraft] for REIPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider DefaultPluginImpl [roughlyenoughitems] for REIServerPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider DefaultPluginImpl [roughlyenoughitems] for REIPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider DefaultRuntimePlugin [roughlyenoughitems] for REIServerPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider DefaultRuntimePlugin [roughlyenoughitems] for REIPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider DefaultClientPluginImpl [roughlyenoughitems] for REIClientPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider DefaultClientPluginImpl [roughlyenoughitems] for REIPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider DefaultClientRuntimePlugin [roughlyenoughitems] for REIClientPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider DefaultClientRuntimePlugin [roughlyenoughitems] for REIPlugin
[18:47:14] [modloading-worker-0/DEBUG] [REI] Added filtering rule [roughlyenoughitems:hidden_from_recipe_viewers]: INSTANCE
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider HideIngredientsFromTagsPlugin [roughlyenoughitems] for REIClientPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider HideIngredientsFromTagsPlugin [roughlyenoughitems] for REIPlugin
[18:47:14] [modloading-worker-0/INFO] [REI] Registered plugin provider REICombatForge [immersive_aircraft] for REIClientPlugin
[18:48:00] [replaymod-async-sender/DEBUG] [REI] Marking hidden ingredients from tag cache as dirty.

Mods used in client :

alexsmobs-1.22.8jar
AmbientSounds FORGE v53.9 mc1.20.14
architectury-9.2.14-forge jar
Axiom 270-for-MC1.20,1jar
BNBloodParticlesMod+ 1.20,1+v0.8.0 jar
citadel-2.54-1.20.1 jar
cloth-config-11.1.118-forge jar
connectedglass-1.1.11-forge-mc1.20.1 jar
Connector-1.0.0-beta.43+1.20.1 jar
ConnectorExtras-1.10.1+1.20.1 jar
CreativeCore_ FORGE v2.1127 mc1.20.1 jar
do a barrel roll-forge-3.55+1.20.1.jar
eating-animation-1.20+1.9.61 jar
embeddium-0.3.19+mc1.20.1-alljar
entity model features forge_1.20.1-2.0.2...
entity texture features forge, 1.20.1-6.0.1.. entityculling-forge-1.6.2-mc1.20.1 jar
fabric-api-0.92.1+1.11.8+1.20.1 jar
Fallingleaves-1.20.1-2,1.0jar
fusion-1.1.1-forge-mc1.20.1.jar
handcrafted-forge-1.20.1-3,0.6.jar
Horror elements mod 1.5.8_1.20.1 jar
immersive aircraft-0.7.5+1.20.1-forgejar
immersive _armors-1.5,1+1.20,1-forgejar
Improved.Animations-forge- 1,20,1-1.02
majrusz- library-forge-1:20,1-70.8.jar
majruszs-difficulty-forge-120,1-1.9,10 jar
notenoughanimations forge 173-mcl2..
oculus mel.201-170 jar
ParCool 1201-32.12 Rjar
physics-mod-3.0.14-mc-1.20,1 forgejar
player-animation-lib-forge-10.2-rcl+12...
replaymod-1.20.1-2.6.14 jar
resourcefullib-forge-1.20.1-2.1.24 jar
RoughlyEnoughitems-12.1.725-forge jar
silent-gear-1.20.1-3.6.3jar
silent-lib-1.20.1-8.0.0 jar
silents-gems-1.20.1-4.7.0jar
skinlayers3d-forge-1.6.4-mcl 20.1 jar
smallships-forge-1.20.1-2.0.0-b1.2 jar
sophisticatedbackpacks-1.20.1-3.20.2,102...
sophisticatedcore-1.20.1-0.6.8.567 jar
sound-physics-remastered-forge-1.20.1-..
supermartijn642 corelib-1,1.17-forge-mcl.
wakes-0,2,2 jar
weaponmaster_ydm-forge-1.20,1-4,2.3jar

mods used in server :

alexsmobs-1.22.8 jar
architectury-9.2.14-forgejar
Axiom-2.7.0-for-MC1.20.1 jar
BNBloodParticlesMod +1.20.1+v0.8.0.jar
citadel-2.5.4-1.20.1 jar
connectedglass-1.1.11-forge-mc1.20.1 jar
Connector-1.0.0-beta.43+1.20.1 jar
ConnectorExtras-1.10.1+1.20.1 jar
do_a_barrel_roll-forge-3.5.5 + 1.20.1jar
fabric-api-0.92.1+1.11.8+1.20.1 jar
fusion-1.1.1-forge-mc1.20.1 jar
handcrafted-forge-1.20.1-3.0.6jar
Horror_elements_mod_1.5.8_1.20.1 jar
immersive_aircraft-0.7.5 + 1.20.1-forgejar
immersive_armors-1.6.1+1.20.1-forgejar
majrusz-library-forge-1.20.1-7.0.8,jar
majruss-difficulty-forge-1.20.1-1.9.10jar
ParCool-1.20.1-3.2.1.2-Rjar
resourcefullib-forge-1.20.1-2.1.24jar
silent-gear-1.20.1-3,6.3 jar
silent-lib-1.20,1-8.0,0.jar
silents-gems-1.20.1-4,7.0jar
smallships-forge-1.20,1-2.0.0-b1.2jar
sophisticatedbackpacks-1.20,1-3.20.2,1022jar
majrusz- library-forge-1:20,1-70.8.jar
majruszs-difficulty-forge-120,1-1.9,10 jar
notenoughanimations forge 173-mcl2..
oculus mel.201-170 jar
ParCool 1201-32.12 Rjar
physics-mod-3.0.14-mc-1.20,1 forgejar
player-animation-lib-forge-10.2-rcl+12...
replaymod-1.20.1-2.6.14 jar
resourcefullib-forge-1.20.1-2.1.24 jar
RoughlyEnoughitems-12.1.725-forge jar
silent-gear-1.20.1-3.6.3jar
silent-lib-1.20.1-8.0.0 jar
silents-gems-1.20.1-4.7.0jar
skinlayers3d-forge-1.6.4-mcl 20.1 jar
smallships-forge-1.20.1-2.0.0-b1.2 jar
sophisticatedbackpacks-1.20.1-3.20.2,102...
sophisticatedcore-1.20.1-0.6.8.567 jar
sound-physics-remastered-forge-1.20.1-..
supermartijn642 corelib-1,1.17-forge-mcl.
wakes-0,2,2 jar
weaponmaster_ydm-forge-1.20,1-4,2.3jar

Thanks in advance ! <<333

Might be connector.