2856007 - Error "Object reference not set to an instance of an object" occurs when logging into Excel EPM Add-in with a specific model

• Users encounter the error "Object reference not set to an instance of an object" when logging into the Excel EPM Add
• in with one specific model. 

• MS Office 2016 
• Excel EPM Add-in 
• .NET Framework version 5 x86 
• Solution applicable to other versions 
• NetWeaver Version
  
  

Connections.xml, Excel EPM Add

• in, object reference error, AppData folder, Local directory, NetWeaver, MS Office 2016, .NET Framework, troubleshooting login issues, model
• specific error, corrupted file, file removal, connection setup, error resolution, EPMOfficeClient