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

  WARNING - The program in memory contains changes that  have  not  been
  saved.   Therefore,  no  diagnostics  file  will be produced from this
  compilation.  SAVE or REPLACE the file.