[Csnd] strange error message

Dear community,
when calling a certain csound-file I’m getting this error message:

missing " to terminate string
unknown CSD tag:

What could it mean?
I searched for an unclosed "-file, but I can’t find it!
Thanks for Your help.

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Can you share the file?

probably you forgot the closing " of a string

? or a mising }}}

Sorry, I really forgot a closing " for a string.
I’ve checked the code many times, but I didn’t see it, too stupid.