Library /sys$common/syshlp/basichelp.hlb Compile time errors, OPTCLACON  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  ERROR - The  OPTION  statement  contains  contradictory  clauses,  for
  example  specifying  the  default  integer size as both BYTE and LONG.
  Remove one of the clauses.