Action: Increase the systems MAXCAD value.
Note: The system must be IPLed for the updated MAXCAD parameter to take effect.
Circumvention until IPL can be performed:
The only other alternative would be to END other, less critical applications, that are also using SCOPE=COMMON data spaces. This action may free up enough of them so that you can successfully restart the CA Dispatch CADDSPLx environment.