This message is generated when the indicated file cannot be loaded into the Wolfram Language kernel using DumpGet.
Files loaded using DumpGet are normally created using DumpSave on the same computer or on an equivalent computer. Files created using DumpSave are not portable between computers.
Off[message] switches off the message; On[message] switches it on. For example: Off[DumpGet::bgbf].
Examples
Basic Examples(1)
A file created using Save does not have the correct format to be loaded using DumpGet:
A file created using DumpSave can be loaded on the same computer using DumpGet: