-904 UNSUCCESSFUL EXECUTION CAUSED BY AN UNAVAILABLE RESOURCE.
REASON reason-code, TYPE OF RESOURCE resource-type, AND RESOURCE NAME resource-name
The SQL statement could not be executed because resource resource-name of type resource-type was not available at the time for the reason indicated by reason-code. Refer to "Resource types" in item -RESOURCE_TYPES for an of resource type codes.
keyphrase being : for the reason indicated by reason-code.