3683276 - HTTP action error in SAP build process automation (SBPA) projects due to missing X-CSRF token in response headers.

When triggering the workflow in SBPA project, the below error message is seen 

"Error thrown from action runtime library: Could not fetch X-CSRF token for action 'Add new entity to vendorSet': X-CSRF token missing in the response headers"

SAP Build Process Automation

http action error, sbpa workflow failure, x-csrf token missing, response headers missing token, sap build process automation, btp workflow error, process save failure, post_vendorSet error, action runtime library error, x-csrf configuration, workflow service steps failure , KBA , BPI-PA , SAP Build Process Automation , Problem