I can find a lot of documentation on other WebMethods 'BRM.10....' errors, but not BRM.10.5064. I don't know what it means
What is your JMS server? I'm not aware of Software AG bundling any kind of JMS server with its WebMethods product. The only JMS server I know of that's owned by Software AG is Universal Messaging, and that uses a completely different set of client jars and connection information.