I have the same issue, running Entangled 2.0.3. The error only occurs on code blocks with a block identifier. However there is no problem when the filename is already used in another block without blockid.
This causes an error
``` {.rust #blockid file=world.rust}
...
but this works
...
and this also works
...
some text
...
_Originally posted by @RaFortunat in https://github.com/entangled/entangled.py/issues/42#issuecomment-2191435588_
This causes an error
some text