Initial conditions: the user is on the Act page Card

Steps:
1. Select the action "Add" in cardlet "Products and Services".
2. Select a product / service with a value of "price per unit" is not equal to zero and click "OK".

Expected Results: In cardlet "Products and Services" the selected service is displayed
Actual Results: Error «message.cannot.add.assocs.to.node» (FireShot1.jpg)