TDP1157 DEVICE devnum DOES NOT EXIST
Explanation:
An attempt to allocate the indicated device failed because it is not defined, either to the operating system (MVS or VOS3) or the virtual machine (VM).
Generated By:
TDP.
Notes:
The ATTACH or START command fails.
Remedy:
Either re-issue the command specifying a defined device or define the device to the operating system or virtual machine.