Lexical Error (LEX0003): Invalid identifier '...'.
In a textual worksheet (ST code or data type worksheet), the lexical analysis detected an invalid identifier. The affected code position is underlined in the worksheet.
According to the IEC 61131 standard, naming conventions must be observed to ensure that each identifier can be resolved.
| Further Info
For information on the naming conventions for identifiers please refer to the respective topics in the chapter "IEC 61131 Programming  ‣ Variable/Port Properties
×‣ Extended Identifiers as IEC 61131-3 Variable Names ×". |
Remedy
- Double-click the error message to jump to the affected editor position.
- Correct the invalid identifier in the relevant line of code.