We get "Resource Bundle not available" when trying to issue AutoSys commands from an AutoSys command prompt.
Resource Bundle error messages can happen for a number of reasons.
1 - incorrect / inconsistent environment. Example not having %AUTOSYS% set.
2 - lack of permissions. User's not having access to %AUTOSYS%/messages
3 - the binaries and %AUTOSYS%/messages are from different versions of the product.