FUNL0138 Version (version) of the Sir2000 Field Migration Facility is incompatible with this release of Fast/Unload.
This indicates that the SIRFIELD information stored in Table D of the file can not be processed by the version of Fast/Unload in use. You should upgrade to a version of Fast/Unload that was released at or after the release of the Sirius Mods that updated the file. Version is an internal version number for use by Sirius Software.