The operation mode of the (codesys-based) ctrlX_PLCEngineering has 3 different modes to work with. Its ment to prevent the PLC from accidently changes, but most likely only few people did notice so far.
If the state becomes changed accidently the investigation may take a while.
In case the PLC Logger displays : 'Operation is disabled in current operation mode' its worths to check the operation mode and change it back to Debug.
