An invalid character set was encountered in the current pattern.

#3027   Compile-time error

An invalid character set was encountered in the current pattern.

Additional Information

The subpattern WHITE-SPACE cannot appear inside a character set because the current NEWLINE sequence contains 'X' characters.
    or
The format item '%n' cannot appear inside a character set because the current NEWLINE sequence contains 'X' characters.
    where X is the number of characters in the sequence.
    or
The second character, of value 'X', is less than the first character, with value 'Y'.
    where X and Y are strings used in the form "X to Y".

Recovery

Compilation continues but no compiled source code file will be saved.

Explanation

The subpattern WHITE-SPACE can appear inside a character set only when the NEWLINE sequence is 1 character long (the default).