Messages or packets destined for the application have accumulated and
reached the maximum value. The default for the message limit is 65535.
You can specify a different limit as the value for MSGLIMIT within
the IUCV statement of the z/VM virtual machine on which the application
runs.
User response
Ensure that you do not send data faster than the application retrieves
them. Ensure that the message limit on the z/VM guest virtual machine
on which the application runs is high enough.