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

  Keyboard wait exhausted (ERR=15)

  No input was received during the execution  of  a  INPUT,  LINPUT,  or
  INPUT  LINE statement that was preceded by a WAIT statement.  You must
  supply input within the specified time.