Add a description for FormatSpecifierArgType runtime error.
Add a description for FormatSpecifierArgType runtime error.

seec-team/seec,mheinsen/seec,mheinsen/seec,seec-team/seec,mheinsen/seec,seec-team/seec,mheinsen/seec,seec-team/seec,seec-team/seec,mheinsen/seec