| ERROR | alt_value is already used by another sub lexer |
| CAUSE | you tried to specify an alt value which is already in use by another sub lexer in the lexer preference |
| ACTION | specify a different alt value |
| ERROR | alt_value is already used by another sub lexer |
| CAUSE | you tried to specify an alt value which is already in use by another sub lexer in the lexer preference |
| ACTION | specify a different alt value |