AVZ1420S service OF DIRECTED LOAD LIBRARY (ddname) FAILED RC=rcode
Explanation
The S__ ISPF application attempted to do a directed load based upon a parameter setting in the OPMS(ISPLLIBDSNAME).
service may be "allocation" or "deallocation"
User response
Check the data set name specified in the aforementioned parameter. After correcting the name, restart the Server address space.