Mods:
Securitycraft
Appleskin
Architectury
betterarchiology
betterburning
betterchunkloading
borderlesswindow
botarium
cebonsapi
cebonsbetterbeacons
charmofundying
chunkloaders
clothconfig
cofhcore
connectivity
coroutil
create enchant industry
create misc and things
create
create confectionery
create new age forge
create stuff additions
creative core
cupboard
curios
custom player models
drinkbeer
drippy loading screen
durability tooltip
easyanvils
embeddium
enderitemod
entityculling
fancymenufarmers delight
ferrite core
flux networks
framed blocks
fusion
gecolib
gravestone mod
iceberg
inventory profiles next
jade
jade addons
jei
journeymap
jer
konkrete
kotlin
libIPN
lootintegrations
lootr
melody
mes
mns
mss
mvs
nethersdelight
nullscape
nyfsquiver
puzzleslib
recipeessentials
It seems the problem is with mods that place features as different worlds give different errors after the start part