3253774 - Error: "Unknown Error While processing the current request, an exception occurred which could not be handled by the application or the framework." while exporting lumira report to excel.

When exporting Lumira report to Excel using BI Launch Pad the following errors are thrown: 

"Unknown Error While processing the current request, an exception occurred which could not be handled by the application or the framework.

Failed to process request. Please contact your system administrator"

SAP BusinessObjects Business Intelligence Platform BI 4.x

Export, Excel, Lumira, BI Launch Pad, CMC, Unknown Error, Analysis Application, BI 4. , KBA , BI-LUM-SRV-ADM , Lumira Server BI Platform Admin, Auth, Security , Problem