3413196 - Task Center app shows error message "Sorry, a technical error occurred! Please try again later" in integration with SAP S/4HANA Cloud

While approving/rejecting a task in Task Center app (integration with SAP S/4HANA Cloud), the user gets the error message "Sorry, a technical error occurred! Please try again later".

Long text: 

"message": "HTTP request failed",

"statusCode": "500",

"statusText": "Internal Server Error",

"responseText": "Destination 'DESTINATION_ID' returned 'The requested OAuth 2.0 scope cannot be granted because it is either not assigned to the current user or to the OAuth 2.0 client."

SAP S/4HANA Cloud

SAP BTP

SAP_COM_0501, Integrating SAP Task Center, Task Center, "Sorry, a technical error occurred! Please try again later", "HTTP request failed", "500", "Destination 'DESTINATION_ID' returned 'The requested OAuth 2.0 scope cannot be granted because it is either not assigned to the current user or to the OAuth 2.0 client", "Internal Server Error", SAP_CORE_BC_BPM_OINB. , KBA , CA-INB-TSK , SAP Task Center Web App , LOD-BPM-INB , SAP Task Center , Problem