Unknown Query Engine Error
Error in File C:\Users\ADMINI~1\AppData\Local\Temp\temp_4f6e51af-81ea-4f14-b0dd-f65decbb6e23 {30D198AB-EC2B-48F7-B979-EBEAF777E2C8}.rpt:
Unknown Query Engine Error



Solution :
 <configuration>
 <startup useLegacyV2RuntimeActivationPolicy="true">

    <supportedRuntime version="v4.0"/>

  </startup>
</configuration>