Hi, I tried to include Rubidium 1.20.1-0.7.1a in my 1.20.1 modpack, but it just crashes if Rubidium is installed.
Crash report:
crash-2024-08-03_14.51.02-client.txt

Here's the mods I'm using:

1. Alex's Caves
2. Amendments
3. Animal Armor Trims - Horse & Wolf
4. AppleSkin
5. Balm (Forge Edition)
6. Better Archeology
7. Better Burning
8. Better Third Person
9. Bookshelf
10. Carry On
11. Catalogue
12. MrCrayfish's Furniture Mod (Legacy)
13. Chat Heads
14. Citadel
15. Cloth Config API (Fabric/Forge/NeoForge)
16. Configured
17. Connected Glass
18. Dis-Enchanting Table
19. Embeddium/Rubidium Dynamic Lights
20. Enchantment Descriptions
21. EnderPack - New Backpack
22. Falling Leaves (NeoForge/Forge)
23. FerriteCore ((Neo)Forge)
24. Medieval Buildings [End Edition]
25. Fusion (Connected Textures)
26. ImmediatelyFast
27. Inventory HUD+
28. JourneyMap
29. Macaw's Fences and Walls
30. Macaw's Lights and Lamps
31. Medieval Buildings - New Structures!
32. ModernFix
33. MonoLib
34. Moonlight Lib
35. More Beautiful Torches | +600 New Torches!
36. More Useful Copper
37. More Bows and Arrows
38. New Shield Variants
39. New Slab Variants | +200 New Slabs!
40. Oculus
41. Puzzles Lib [Forge & Fabric]
42. Additional Structures
43. RightClickHarvest
44. Rubidium
45. Serene Seasons
46. Sit
47. Sophisticated Backpacks
48. Sophisticated Core
49. Sound Physics Remastered
50. SuperMartijn642's Core Lib
51. Supplementaries
52. Tips
53. Visual Workbench [Forge & Fabric]
54. Waystones
55. YUNG's API (Forge)
56. YUNG's Better Desert Temples (Forge)
57. YUNG's Better Dungeons (Forge)
58. YUNG's Better End Island (Forge)
59. YUNG's Better Jungle Temples (Forge)
60. YungsBetterMineshafts-1.20-Forge-4.0.4
61. YUNG's Better Nether Fortresses (Forge)
62. YUNG's Better Ocean Monuments (Forge)
63. YUNG's Better Strongholds (Forge)
64. YUNG's Better Witch Huts (Forge)
65. YUNG's Bridges (Forge)
66. YUNG's Extras (Forge)

Use Embeddium. You're not helping yourself if you don't go to Rubidium's comment section.