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   7042   Invalid bits set in TPS semaphore byte

   Problem:    The byte being used for the TPS semaphore byte (either
   the "deleted" byte or the AXS_TPS field, if one exists) has bits set
   that are invalid for that byte. This error usually has nothing to do
   with the use of transaction processing itself.  For some reason, data
   in the TPS semaphore byte is being corrupted. A non-Advantage product
   is most likely causing the corruption. The previous log entry contains
   the record number of the record that has invalid bits in its deleted
   byte.

   Solution:   When not in a transaction, clear the invalid bits in the
   semaphore byte. If the semaphore byte is the "deleted" byte, open the
   table exclusively via a non-Advantage RDD. Then loop through all records
   in the table re-marking all records for deletion that are currently marked
   for deletion and recalling all records that are not currently marked for
   deletion. If the semaphore byte is the AXS_TPS field, open the table
   exclusively (it does not matter which RDD is used). Then loop through
   all records in the table and clear all contents in the AXS_TPS field by
   replacing the field with " ". If 7042 errors keep recurring, determine
   what product or operation corrupts the TPS semaphore byte, and have the
   product fixed or the operation altered.