CASTP4111 function is not valid. Page PURGE function must be A, B, C, H, or R.

The page purge function represented by function is not A, B, C, H, or R.

The functions have the following meanings.

 
Function Meaning 
  A      All logical messages destined for and being displayed 
         on that terminal. 
  B      The logical message being displayed on that terminal 
         and all logical messages chained to it. 
  C      The current (level) logical message. 
  H      All logical messages chained to the base logical 
         message being displayed on that terminal. 
  R      All logical messages queued for immediate delivery 
(routed) to the terminal.
System Action:
Other processing continues.
Resolution:
Use a valid page purge function.
Module:
dfhzcspg
Destination:
Terminal end user