The volume mounted on a 3590 device in 3490-E emulation contains data beyond the compatibility capacity limit. The device is capable of extended capacity operation, but the application did not request extended capacity mode through the DCBE macro.
In the message text:
Processing continues, but the system will issue an ABEND 137-0C code if the application attempts to read data beyond the capacity of the device being emulated.
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To access this data on a 3590 device in 3490-E emulation, the application must either request extended capacity through the CAPACITYMODE parameter of the DCBE macro or use QSAM to read the data.
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