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

  File is locked (ERR=138)

  The program does not allow shared access and attempts to access a file
  that  has  been  locked by another user, or by the system.  Change the
  OPEN statement to allow shared  access  or  wait  until  the  file  is
  released by other user(s).