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  1. Preface
  2. PWX-00000 to PWX-00099
  3. PWX-00100 to PWX-00999
  4. PWX-01000 to PWX-01999
  5. PWX-02000 to PWX-04999
  6. PWX-05000 to PWX-06999
  7. PWX-07000 to PWX-09999
  8. Abend, Return, and Reason Codes in PowerExchange Messages

Message Reference Volume 1

Message Reference Volume 1

PWX- 00649

PWX-
00649

Warning. REGION=0M can cause LSQA shortages.
When a PowerExchange Listener on a z/OS system starts, this warning indicates that the JCL region size is set to zero, which allows application private memory to use the entire region.
Processing continues.
Processing continues. The Listener stops accepting incoming connections if there is not enough available memory to start a task.
Consider increasing the JCL REGION size to accommodate the workload and prevent LSQA shortages.

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