Make sure you ran the database component configuration tool successfully. What is your DB?I see you have some issue with the setting up MWS.
Is it a production system or just your local installation. If local installation please uninstall and re-install, follow the steps in sequence
1> Backup your packages
1> Uninstall the existing instance via control panel or SAG installer
2> Delete the webMethods folder from your installed drive
3> Install the external DB and Run SAG installer
4> Follow the steps shown on installer
5> After the installer completes, run the DB component configurator
6> Start the IS
Let me know if you have more questions. Feel free to contact me on my email if required 
#webMethods-General#Integration-Server-and-ESB#webMethods