Internal error in runner

I get this error when in runner using psychopy 2022.2.5

Traceback (most recent call last):
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\runner\”, line 729, in runLocal
procStarted = self.runFile(
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\runner\”, line 122, in runFile
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\”, line 112, in write
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\”, line 139, in broadcast
File “C:\Program Files\PsychoPy\lib\encodings\”, line 19, in encode
return codecs.charmap_encode(input,self.errors,encoding_table)[0]
UnicodeEncodeError: ‘charmap’ codec can’t encode character ‘\u0308’ in position 99: character maps to

Is there an easy solution to this?

Apparently that’s the code for a Combining Diaeresis character (which looks like this ̈ )

Might you have this character somewhere in your code?