SAP Issue - The type initializer for SBO.DI.Connection threw an exception

This error can occur due to one of the following reasons:

• The DI-API is not installed
• There is an incorrect/corrupt version of the DI-API installed
• The DI-API is installed but not registered correctly
• You are running B1UP on an unsupported version of B1UP

Step 1: Reset the Temp folder:

• In windows, go to Start > Run
• Type in %temp%. and press OK
• In the window that appears locate the SM_OBS_DLL folder and rename it to oldSM_OBS_DLL
• Restart SAP Business One

Step 2: Install/Re-install the DI-API

Step 3: Manually register the DI-API

• In windows, go to Start > Run
• Type the following
• %systemroot%\System32\regsvr32 "C:\..<Path to 8.8 DI-API>...\SAPbobsCOM88.dll"

Example:

%systemroot%\System32\regsvr32 "C:\Program Files (x86)\SAP\SAP Business One DI API\DI API 88\SAPbobsCOM88.dll"