"ContentProvider callback exception: SerializerPugi::deserializeImpl ill-formed XML"
Not sure what caused it but this error happens every time I test my game. It makes it so my character doesn't have a walking animation.
This either means one of two things:
Your file has been corrupted, due to not being saved correctly or human error.
Here's some threads on the Dev Forum that is similar to your issue:
Can’t open place file due to ill-formed XML error - entire file overwritten as null bytes