Recently I have been using SysOperatioonFramework to export data in excel. While running the code out of batch its working fine but as soon as I am calling this from Sysopertionframewrok, the system doesn't show anything on front end while debugging its giving error
An internal error has occurred. Please contact your system administrator.
Well, it's a minor mistake in the controller class. You need to define the execution mode for your service class (code in controller class)
this.executionMode = SysOperationExecutionMode::Synchronous
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It should work for you as well.
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