VMS Help UIL, Compile Time Errors, SUMMARY  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  INFORMATIONAL:  This message lists  a  summary  of  the  diagnostics
  issued  by the compiler, and appears only when diagnostics have been
  issued.

  USER ACTION:  Fix the problems reported.  You can use the  /WARNINGS
  qualifier to suppress informational and warning diagnostics that you
  have determined to be harmless.