FABZ083S SEVERE ERROR, DATABASE REPAIR FACILITY. EXIT ISPF, LOGOFF TSO AND LOGIN AGAIN BEFORE PROCEEDING. IF PROBLEM PERSISTS THEN CONTACT IBM® FOR SUPPORT.

Explanation
 A severe error occurred and IMS Database
Repair Facility terminated.

System action
 Processing stops.

User response
 To see if you can recreate this error, exit ISPF, log off of TSO, then log back on TSO before
    proceeding. If the problem persists, gather the diagnostic information by following the steps in
     Gathering diagnostic information and contact IBM Software Support.