The mod Py Functionnal caused a non-recoverable error.
Please report this error to the mod author.

Error while running event pyfunctionnal::on_built_entity (ID 6)
pyfunctionnal/control.lua:67: attempt to index field 'factories' (a nil value)
stack traceback:
pyfunctionnal/control.lua:67: in function 'construct_base_factory'
pyfunctionnal/control.lua:131: in function <pyfunctionnal/control.lua:130>

Thk for the report

A fix coming soon . Warn you about the suppresion of the orefactory in the next update

I try a fix ... i m not sure that's work because i can't reproduce your bug...

meby its my modpack waht i use githup will help can provide you with savegame and modlist and mod config

https://github.com/Ldmf/Factorio-Saves

Discord: Ldmf#9873

thx 4 the fix works now