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

  ERROR - A  resequenced  program  contains  a  %IF-%THEN-%ELSE-%END-%IF
  directive.  Remove the %IF-%THEN-%ELSE-%END-%IF directive.