| ERROR | preference string is not a MULTI_LEXER |
| CAUSE | you tried to add a sub lexer to a lexer preference which cannot accept sub lexers. Only multi-lingual lexers can accept sub lexers. |
| ACTION | specify a multi lingual lexer |
| ERROR | preference string is not a MULTI_LEXER |
| CAUSE | you tried to add a sub lexer to a lexer preference which cannot accept sub lexers. Only multi-lingual lexers can accept sub lexers. |
| ACTION | specify a multi lingual lexer |