Synopsis
Some template used after a PARSE keyword is incorrect. The first character of token is where the PARSE statement choked upon what you supplied.
Cause
You put the name of a variable in quotes, thus mistakenly indicating that you are supplying a PARSE pattern to match.
Cure
Do not put your variable names in quotes after the PARSE keyword.
Cause
You used an illegal variable name that begins with a plus or minus sign.
Cure
Make sure that your variables names are legal.