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

  Number of coordinates insufficient (ERR=281)

  Insufficient coordinates  are  provided.   A  GRAPH  POINTS  statement
  requires  the  coordinates  for  at  least  one  point.  A GRAPH LINES
  statement requires a minimum of two points.  A  GRAPH  AREA  statement
  requires  a  minimum  of  three  points.  Supply an adequate number of
  points.