When attempting to execute a z/OS job, the job fails and review of the JES Log shows an error similar to:
S0008544 JES2X50 ----- ROOM REQUIRED
This, or similar issues, are system-specific requirements from the z/OS system itself. With this specific error, mitigation can be done by adding the required 'ROOM' parameter to the Process tab of the affected jobs:
Or, these can be added on the z/OS Job panel itself under the 'Job Parameters' field.