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

  ERROR - The file named in the %INCLUDE directive was correctly opened,
  but could not be read for some reason, for example, the disk drive was
  switched off-line.  Take action based  on  the  associated  RMS  error
  messages.