Hi Marco,
Take a look at the Go To Tablink action on whichever action set your referencing (Select..., for example). You'll want to make sure that the tablink referenced here is valid and has a screen associated with it under Customize > Tabs.
Hope this helps.
- Justin
Justin Henderiks
Technical Sales Specialist
Method Integration Inc.
Toll Free: 1.888.925.6238
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E-mail: j.henderiks@method.me