Capture error "ASMopen: ASMFileOpen: ASMSessionStart: No more sessions available" (4282255)

Capture stops due to error with the following error message in the event_log:

Error 2008-10-14 14:29:06.314043 22862 3347454880 Capture: Error opening file +DATA01/prmars/onlinelog/group_3.259.656003843: ASMopen: ASMFileOpen: ASMSessionStart: No more sessions available. Total 10 sessions. (File Name +DATA01/prmars/onlinelog/group_3.259.656003843). (capturing from PRSPLEX) [module oct]
Error 2008-10-14 14:29:06.348414 22862 3347454880 Capture: Failed to launch slave thread (code=-4)...exiting...(../src/olog/olog.c:2241) (capturing from PRSPLEX) [module oct]
Info 2008-10-14 14:29:06.456588 21909 4141389504 Capture exited with code=250, pid = 22862 (capturing from PRSPLEX)