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

  FATAL - BASIC has incorrectly estimated the size of the the  generated
  code  for  your  program.   Submit  a software problem report with the
  program that caused the error.  (You can often work-around this  error
  by making a simple change to your code.)