DFS3049A UNEXPECTED EOF ON WF4
Explanation
An end of file condition occurred for work file 4 while trying to locate a B index work record that matches the IMS index maintenance record currently being processed.
System action
The step is abnormally terminated with abend 0310.
Programmer response
Use IMS Database Backout utility to undo changes during step 2 of Partial Database Reorganization (PDBR).