SQL$HELP72.HLB  —  Errors  COSI_ERRORS, PARNOTGRANT
  parent lock must be granted

  Explanation:  A programming error occurred because an attempt
  was made to create a sublock under a parent lock that was not
  granted.

  User Action:  This error message indicates a possible error in
  the locking protocols.  Contact your Oracle support
  representative for assistance.
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