Description:
Essentially every passive mob is labeled in the config as a neutral mob. Maybe there is some reason for this but it was causing me issues since I have a mod that makes bees smaller and increases the amount of them. Passive mobs are mobs that will not attack you whether or not you attack them. Neutral mobs are passive until an event is met, whether the event is attacking them, getting too close, or anything else. Hostile mobs will attempt to attack you as soon as they notice you. Having an abundance of bees made it so that no passive mobs such as cows, pigs, or chickens would spawn.

Reproduction:
Steps to reproduce the behavior:

1. Have an abundance of a neutral mob such as bees.
2. Try to find cows.
3. Cry.

Expected behavior:
No passive mobs spawn in.

Debugging:
I closed my game before submitting this and won't be reopening it to check the debug. If I remember I will check it next time I boot up my mod pack.

Full Modlist:
I'm trying to stick to the template as best I can so although I don't see how it's relevant as the mobs are mislabeled in the config, my mod list will be at the bottom of this report.

Additional Info:
I put the bee mod that I referenced at the top of the list. As far as I'm aware it is the only mod that would be conflicting with the spawning of passive mobs. That being said as previously stated in the config the mobs are mislabeled which if corrected should fix the issue. I'm tired and was about to go to bed when I found the issue and didn't feel like fixing the config so I wound up just disabling the adaptive spawns mod. If I remember next time I boot up my game I will re-enable it and alter the config to see if it fixes the issue.

This is the bee mod that I referenced

Realistic Bees (Forge)
Serilum
realisticbees_1.19.2-2.8.jar

Chunk Animator
Lumien231
ChunkAnimator-1.19.2-1.3.6.jar

Just Enough Items (JEI)
mezz
jei-1.19.2-forge-11.4.0.286.jar

Adaptive Performance Tweaks (Bundle)
Kaworru
adaptive_performance_tweaks_1.19.2-6.3.0.jar

Adaptive Performance Tweaks: Core
Kaworru
adaptive_performance_tweaks_core_1.19.2-6.3.0.jar

Adaptive Performance Tweaks: Gamerules
Kaworru
adaptive_performance_tweaks_gamerules_1.19.2-6.3.0.jar

Adaptive Performance Tweaks: Items
Kaworru
adaptive_performance_tweaks_items_1.19.2-6.3.0.jar

Adaptive Performance Tweaks: Mods
Kaworru
adaptive_performance_tweaks_mods_1.19.2-6.3.0.jar

Adaptive Performance Tweaks: Player Protection / Child Mode
Kaworru
adaptive_performance_tweaks_player_1.19.2-6.3.0.jar

Adaptive Performance Tweaks: Spawn
Kaworru
adaptive_performance_tweaks_spawn_1.19.2-6.3.0.jar

Additional Structures
XxRexRaptorxX
Rex's-AdditionalStructures-1.19.x-(v.4.0.2).jar

Advancement Frames
MehVahdJukaar
advancementframes-1.19.2-2.0.0.jar

AI Improvements
QueenOfMissiles
AI-Improvements-1.19.2-0.5.2.jar

Apotheosis
Shadows_of_Fire
Apotheosis-1.19.2-6.0.1.jar

AppleSkin
squeek502
appleskin-forge-mc1.19-2.4.2.jar

AttributeFix
DarkhaxDev
AttributeFix-Forge-1.19.2-17.1.2.jar

Auto Planting Forests
Lothrazar
autoplant-1.19-1.0.1.jar

Balm (Forge Edition)
BlayTheNinth
balm-4.5.3.jar

Better Beacon Placement (Forge)
Serilum
betterbeaconplacement_1.19.2-2.1.jar

Better Conduit Placement (Forge)
Serilum
betterconduitplacement_1.19.2-2.0.jar

Better Villages - Forge
jtl_elisa
bettervillage-forge-1.19.2-2.0.0.jar

Bookshelf
DarkhaxDev
Bookshelf-Forge-1.19.2-16.1.11.jar

Botany Pots
DarkhaxDev
BotanyPots-Forge-1.19.2-9.0.13.jar

Botany Pots Tiers
Ultramegaaa
BotanyPotsTiers-Forge-1.19.2-3.1.0.jar

Botany Trees
DarkhaxDev
BotanyTrees-Forge-1.19.2-5.0.1.jar

BuildPaste
mistrx_
BuildPasteMod-1.19.2v1.9.5.jar

Caelus API (Forge)
TheIllusiveC4
caelus-forge-1.19.2-3.0.0.6.jar

Chunk-Pregenerator
Speiger
Chunk Pregenerator-1.19-4.1.1.jar

Cloth Config API (Fabric/Forge)
shedaniel
cloth-config-8.2.88-forge.jar

Clumps
Jaredlll08
Clumps-forge-1.19.2-9.0.0+11.jar

Collective (Forge)
Serilum
collective-1.19.2-5.16.jar

Colytra (Forge)
TheIllusiveC4
colytra-forge-6.0.0+1.19.2.jar

Configured
MrCrayfish
configured-2.0.1-1.19.2.jar

Connected Glass
SuperMartijn642
connectedglass-1.1.4b-forge-mc1.19.jar

Cull Leaves
Motschen
cullleaves-forge-3.0.1.jar

Curios API (Forge)
TheIllusiveC4
curios-forge-1.19.2-5.1.1.0.jar

Diagonal Fences
Fuzs_
DiagonalFences-v4.2.3-1.19.2-Forge.jar

Display Case
ChappiePie
Display Case-forge-1.19-1.0.3.jar

Dragon Drops Elytra (Forge)
Serilum
dragondropselytra_1.19.2-1.7.jar

Dragonite
Kreepz_TTV
1.19.2-dragonite-1.1.jar

Dynamic Asset Generator
lukebemish
dynamic_asset_generator-forge-1.19.2-1.2.0.jar

Easy Mob Farm
Kaworru
easy_mob_farm_1.19.2-4.3.0.jar

Effortless Building
Requioss
effortlessbuilding-1.19-2.37.jar

Elytra Physics
ImJ0shh_
ElytraPhysicsForge-1.1.1.jar

Enchantment Descriptions
DarkhaxDev
EnchantmentDescriptions-Forge-1.19.2-13.0.3.jar

End Remastered
jack_bagel
endrem_forge-5.2.1-R-1.19.X.jar

Entity Culling Fabric/Forge
tr9zw
entityculling-forge-1.5.2-mc1.19.1.jar

Excavated Variants
lukebemish
excavated_variants-forge-1.19.2-1.0.3.jar

Fast Leaf Decay
olafskiii
FastLeafDecay-30.jar

FastFurnace
Shadows_of_Fire
FastFurnace-1.19.2-7.0.0.jar

Fastload
FluffyBumblebe3
Fastload-Reforged-2.4.0+1.19.2.jar

FastSuite
Shadows_of_Fire
FastSuite-1.19.2-4.0.0.jar

FastWorkbench
Shadows_of_Fire
FastWorkbench-1.19.2-7.0.1.jar

Flat Bedrock (Forge / Fabric)
Sunekaer
flatbedrock-forge-2.0.0-build.14+mc1.19.2.jar

ForgeEndertech
EnderLanky
ForgeEndertech-1.19.2-10.0.5.0-build.0599.jar

Forgiving Void
BlayTheNinth
forgivingvoid-forge-1.19-7.0.0.jar

Get It Together, Drops!
bl4ckscor3
getittogetherdrops-forge-1.19.2-1.3.jar

Hammer Lib
Zeitheron
HammerLib-1.19.2-19.2.39.jar

Hardmode Mining - Rarer Ores
Zetal
HardModeOres-1.19-1.7.jar

I Know What I'm Doing (IKWID)
HeckinChloe
IKnowWhatImDoing-5.1.1-forge.jar

InsaneLib
Insane96MCP
InsaneLib-1.7.2-mc1.19.2.jar

Inventory Sorter
cpw
inventorysorter-1.19.2-21.0.4.jar

Inventory Totem (Forge)
Serilum
inventorytotem_1.19.2-1.8.jar

Iron Chests
ProgWML6
ironchest-1.19.2-14.2.7.jar

Iron Furnaces [FORGE]
XenoMustache
ironfurnaces-1.19.2-3.6.3.jar

JourneyMap
techbrew
journeymap-1.19.2-5.9.0beta3-forge.jar

Just Enough Resources (JER)
way2muchnoise
JustEnoughResources-1.19.2-1.2.0.188.jar

Large Ore Deposits
EnderLanky
AdLods-1.19.2-7.0.4.0-build.0599.jar

Lazy DataFixerUpper(LazyDFU) [FORGE]
Corgi_Taco
lazydfu-1.0-1.19+.jar

Library Ferret - Forge
jtl_elisa
libraryferret-forge-1.19.2-3.0.0.jar

Material Elements
Kaworru
material_elements_1.19.2-6.0.0.jar

Memory Settings[Forge/Fabric]
someaddon
memorysettings-1.19.2-2.2.jar

Memory Usage Screen [Forge/Fabric]
morimori0317
memoryusagescreen-forge-mc1.19-1.6.jar

Mob Grinding Utils
vadis365
mob_grinding_utils-1.19.2-0.4.46.jar

Moonlight Lib
MehVahdJukaar
moonlight-1.19.2-2.1.10-forge.jar

More Decorative Blocks - BlackWolf Design [FORGE & FABRIC]
00theblackwolf00
MoreDecorativeBlocks-1.19.2-1.0.0-[FORGE].jar

More Dragon Eggs
Darkere
moredragoneggs-3.2.jar

More Village Trade Options - Balance Version
theskycloud
More Villager Trade Items - Balance Version V1.4.2.jar

More Villagers
SameDifferent
morevillagers-forge-1.19-4.0.3.jar

Mouse Tweaks
YaLTeR
MouseTweaks-forge-mc1.19-2.23.jar

One Twenty 1.20 Backport
kleiders3010
One Twenty Backport 1.19.2 V1.2.0.jar

OreBlockSmelting
Thompete
oreblocksmelting-1.0.0-1.19.2.jar

Patchouli
Vazkii
Patchouli-1.19.2-77.jar

Physics Mod
haubna
physics-mod-2.9.2-mc-1.19.x-forge.jar

Placebo
Shadows_of_Fire
Placebo-1.19.2-7.0.1.jar

Puzzles Lib
Fuzs_
PuzzlesLib-v4.3.12-1.19.2-Forge.jar

Randomium Ore
MehVahdJukaar
randomium-1.19.2-1.19.jar

Realistic Name Tags
lu3arm
realisticnametag-0.2.jar

Repurposed Structures (Forge)
telepathicgrunt
repurposed_structures_forge-6.3.8+1.19.2.jar

Respawning Shulkers (Forge)
Serilum
respawningshulkers_1.19.2-1.9.jar

Server Performance - Smooth Chunk Save[Forge/Fabric]
someaddon
smoothchunk-1.19.1-2.0.jar

Shields+
Insane96MCP
Shields+-1.3.2-mc1.19.2.jar

Simple Quarry
Zeitheron
SimpleQuarry-1.19.2-19.2.1.jar

Skin Layers 3D (Fabric/Forge)
tr9zw
3dskinlayers-forge-1.5.2-mc1.19.1.jar

Snow Under Trees
bl4ckscor3
snowundertrees-1.19.2-1.3.jar

Sophisticated Backpacks
P3pp3rF1y
sophisticatedbackpacks-1.19.2-3.18.33.742.jar

Sophisticated Core
P3pp3rF1y
sophisticatedcore-1.19.2-0.5.26.166.jar

The One Probe
McJty
theoneprobe-1.19-6.2.2.jar

Tiered Shulker Boxes
lukegrahamlandry
tieredshulkerses-1.19.2-1.1.43.jar

Tool Leveling+ [Forge]
Buecher_wurm
toolleveling-forge-1.19.2-1.4.1.jar

Warden Enhancer
FiveNights2161
WardenEnhancer.jar

Waystones
BlayTheNinth
waystones-forge-1.19-11.1.0.jar

XP Tome
bl4ckscor3
xptome-1.19-2.1.7.jar

YUNG's API (Forge)
YUNGNICKYOUNG
YungsApi-1.19.2-Forge-3.8.2.jar

YUNG's Better Desert Temples (Forge)
YUNGNICKYOUNG
YungsBetterDesertTemples-1.19.2-Forge-2.2.1.jar

YUNG's Better Dungeons (Forge)
YUNGNICKYOUNG
YungsBetterDungeons-1.19.2-Forge-3.2.2.jar

YUNG's Better Mineshafts (Forge)
YUNGNICKYOUNG
YungsBetterMineshafts-1.19.2-Forge-3.2.0.jar

YUNG's Better Ocean Monuments (Forge)
YUNGNICKYOUNG
YungsBetterOceanMonuments-1.19.2-Forge-2.1.0.jar

YUNG's Better Strongholds (Forge)
YUNGNICKYOUNG
YungsBetterStrongholds-1.19.2-Forge-3.2.0.jar

YUNG's Better Witch Huts (Forge)
YUNGNICKYOUNG
YungsBetterWitchHuts-1.19.2-Forge-2.1.0.jar

YUNG's Bridges (Forge)
YUNGNICKYOUNG
YungsBridges-1.19.2-Forge-3.1.0.jar

YUNG's Extras (Forge)
YUNGNICKYOUNG
YungsExtras-1.19.2-Forge-3.1.0.jar

Thanks a lot for the detailed report. The classification of the mobs (passive, neutral, aggressive) are independent from the entity type.
This means if you have a huge amount of bees (neutral), it should not affect the spawn of cows (wrongly classified as neutral) at all, because these are two different entity types.

I will try to reproduce the issue with Realistic Bees. In the last update I implemented a patch so allow more spawning of bees if they are near a hive, maybe this is related to this.

In general the "debug" function should give a clear reason why a specific entity type is blocked from spawning.

I tried to reproduce the issue with "no cows", but was not really able to reproduce the issue on my side. :(
I was able to find cows even if I populated the world with 200 different kinds of bees, not in the same chunks or very near the spawned bees but this is expected.

I assume that your issue is more related to the Minecraft spawn cycle itself, which limits the mob spawning per mob category as well. See: https://minecraft.fandom.com/wiki/Spawn#Spawn_cycle

If you are able to provide a debug log which shows that this mod blocks any spawn which shouldn't be blocked I'm happy to take an additional look into this. If you find no corresponding entries for "cow" in the debug log, it means that Minecraft itself decided it's to crowed for any additional natural spawns from the same mob category.

Anyways I prepared a fix for the wrong categorization for passive, neutral mobs but as I mention it will have not have any effect on the current logic, which is based on entity types.

Thank you for attempting to fix this issue promptly I really do appreciate it. I enabled the debug logging and flew around for a bit in creative to see if anything spawned. The first time I did this I did manage to spawn two chickens. When testing again I saw only bees or hostile mobs. I looked in the log and saw no mention of chickens, cows, pigs, or any other animal I've had an issue with. Based on these findings I assume your suggestion that it's related to the Minecraft spawn cycle as opposed to the mod is likely correct. If you have no further questions feel free to close this report and thank you once again for looking into this matter.

Thanks a lot for the feedback. I totally understand that's it not always easy to isolate such issues, that was one of the main reason why I added debug logging message to all action from this mod.

I'm also aware that the mod is not able to cover 100% of all use-cases (different kind of mods).
For this reason I'm always thankful to receive user issue report to optimize specific parts which are maybe less relevant for my personal use-case.

In this specific case limiting the numbers of bees would be an option, but I know that a lot of people love to have a lot of bees and hives around them.
But if this is an option for you, I'm happy to add a configuration file for "realisticbees" so that they could be limited to avoid such side effects with the Minecraft spawn cycle.