# ID 21199

Compare operator '==' expected.
Description | Within a $IF control block, the result of an EXIST query is checked for TRUE or FALSE. For this check the assignment operator "=" is used.
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check and modify the NC block. For the check of TRUE or FALSE the comparison operator "==" has to be used.
Error type | 1, Error message from NC program.