The description for Event ID 300 from source Engine cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.
If the event originated on another computer, the display information had to be saved with the event.
The following information was included with the event:
CEvaluatedExpression::Evaluate: Error in expression: ')' expected
It is a mistake in source code of Qlik developers or the developer of user applications. And what it is possible to undertake if a mistake in the code of Qlik developers