What does the error code CRRRS1007E mean?

We have a customized batch utility that simulates the report generation feature of RRC. The server is intermittently throwing an error  and aborting the connection. The error message is :

2014-11-18 09:57:57,603 [             WebContainer : 41]  INFO ng.server.core.jpi.internal.http.RRCJazzHttpClient  - I/O exception (java.net.SocketException) caught when processing request: Software caused connection abort: socket write error
2014-11-18 09:57:57,619 [             WebContainer : 41]  INFO ng.server.core.jpi.internal.http.RRCJazzHttpClient  - Retrying request
2014-11-18 09:57:58,384 [             WebContainer : 41] ERROR erver.services.requirements.RequirementsDispatcher  - CRRRS1007E  A problem occurred in the Requirements Management (RM) server: Entry [ceabc7a5b1f5b809]
com.ibm.rdm.fronting.server.exception.InternalServerErrorException: Propagated exception; original message [Fatal error while executing 1 or more bulk partitions (Error list: com.ibm.rdm.fronting.server.exception.RRSException)] (Error list: com.ibm.rdm.fronting.server.exception.RRSException)

I am unsure why this error is occuring.Please advise