Older SQL version not compatible with compiled SQL

  Explanation:  1 - You tried to run an SQL program with a version
  of SQL that is older than the version with which it was
  compiled.  The program also required SQL features not available
  from the older version of SQL.  -OR- 2 - You tried to run an SQL
  program with a shareable image without installing RDB$SHR or
  SQL$INT.

  User Action:  1 - Re-compile the program under the older version
  of SQL or run it under the newer version.  -OR- 2 - Install
  RDB$SHR or SQL$INT images.