Invalid character character was found
in column column-number in argument-1 for function function-name in
program program-name at displacement program-displacement.
Explanation
A non-digit character other than a decimal point,
comma, space or sign (+,-,CR,DB) was found in argument-1 for NUMVAL/NUMVAL-C
function.
System action
The application was terminated.
Programmer response
Correct argument-1 for NUMVAL or NUMVAL-C
in the indicated statement.