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

  FATAL - The program contains too many nested  %IF-%THEN-%ELSE-%END-%IF
  directives.   Reduce  the  number  of  nested %IF-%THEN-%ELSE-%END-%IF
  directives.