3031
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While backward processing the log block, the next record is calculated to reside outside the current block, or the last two bytes of the record descriptor word (RDW) are not zero.
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Dump the log using a utility such as DWWJUP. Examine the faulty block, correct it, and rerun CICS VR.
For information about the CICS® DWWJUP utility, see CICS VSAM Recovery Implementation Guide and Reference, Section "PRINT: print information about records logged on an MVS logPRINT: print information about records logged on an MVS log.