| ERROR | preference string cannot be used as a sub lexer |
| CAUSE | you specified a preference for sub lexer which is not a lexer, or is a multi-lingual lexer |
| ACTION | specify a sub lexer which is not a multi-lingual lexer |
| ERROR | preference string cannot be used as a sub lexer |
| CAUSE | you specified a preference for sub lexer which is not a lexer, or is a multi-lingual lexer |
| ACTION | specify a sub lexer which is not a multi-lingual lexer |