Initial conditions: the user is on the Act cards page, in cardlet "Products and Services" at least one entry with a value in the field "price per unit" to 0 is added

Steps:
1. Creation of agreement with empty currency field.
2. Creation of closing doc (act) based on previously created agreement.
3. Selection of the action "Edit Properties" from the product / service cardlet at act's card. Opening of the properties of the shape changes.
4. Changing of the "price per unit" on nonzero. Click "Save".

Expected Result: The property "price per unit" is changed according to the entered value.
The actual result: Error "00110207 nodeRef is a mandatory parameter» (FireShot2.jpg)