does anybody know what does this error mean?
Expression evaluation error in rule 'ums_qr_getvaappdetails' at function a!queryEntity [line 3]: An error occurred while retrieving the data. Details: Unexpected error executing query (type: [VAAPPDetailsDT5506], query: [queryentity expression], order by: [[Sort[processIndicator asc]]], filters:[(aapp = TypedValue[it=1,v=100165])])
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There is no good way to extend the timeout. Did you try to optimize your query or fetch less data?
First, establish what the actual root cause of this error is. This message covers more than just time outs. Go take a look in the logs to see more detail about why you're getting a "retrieving the data" error.
docs.appian.com/.../Post-Install_Configurations.html