com.wm.app.b2b.server.ServiceException:No value was supplied for the required parameter CallbackData

This error occurs constantly in the IS log (webmethods 8.0)

What can be the reason?

Hi Valli,
Good day for you
Please try this solution to resolve the issue by going into IS Admin UI–>Packages–>Management-> WmTaskClient–>re-entering User-ID/Password for the package and reloading the package." . let me know whether this solution is resolving your problem or not .

Thanks,
Muralidhar Reddy.

I assume you need a fix for this “TC_7-1-1_Fix2” Contact SAG global support for more clarification.