Solution : https://service.sap.com/sap/support/notes/1482966 (SAP Service marketplace login required)
Key words : 
run transaction st22, xx  error occurred, terms internal error, crdclnt101 - internal error, backend spool file, error provisioning, error details, error message, backend system, spool system
Related Notes : 
       
| 1547080 | "Error Processing your Request" when provisioning | 
| 1423983 | Requests in CUP are giving TIME OUT Error |