3392596 - The entry for the second language is gone after saving

We have in our SAP Signavio Workspace, the multi-language feature activated, but everytime when an user is typing in a value for the second language and saves it, the entry is gone and the second language entry is empty. This happens in the Dictionary as also during the modeling of a diagram.

process, manager, dictionary, multi, language, second, title, save, error, doesn't , KBA , BPI-SIG-PM-DIC , Dictionary for SAP Signavio Process Manager , BPI-SIG-PM-SET , Workspace Settings for SAP Signavio Process Manager , BPI-SIG-CA-SEC-UM-IN , Invitations / License Management for SAP Signavio , Problem