SAP Message WP214 - Internal error: IDoc could not be created

Diagnosis
The IDoc could not be created. The following information is available:
Function module IDOC_INBOUND_WRITE_TO_DB
Parameter state_of_processing = &V1&
Function module IDOC_START_INBOUND
sy-subrc = &V2&

System Response
Processing was terminated.

Procedure
Please note the content of this error message and contact your systemadministrator.