A user-defined external subfunction returned failure:
#5007 Run-time non-catchable error
A user-defined external subfunction returned failure:
Additional Information
for the Connect subfunction.
for the Disconnect subfunction.
for the HasName subfunction.
for the NameLength subfunction.
for the NameOf subfunction.
for the Read subfunction.
for the Reconnect subfunction.
for the Terminate subfunction.
Explanation
External sub function called OMXF_SignalExternalFunctionException, and
therefore returned failure. This will cause the OmniMark program to terminate.