3161229 - Modeling elements Disappear behind event Subprocess

When adding modeling elements into an event sub-process in a diagram, the element disappear, leaving only the flow lines. How can I fix this behavior?

This is a known issue and has already been forwarded to our developers to get fixed. If you are affected by this issue and want to be kept up to date, please create a ticket in our Support Portal and reference the ticket number SPM-12611. A workaround, is to position the data object outside the swimlane in the Editor.

KBA , BPI-SIG-PM-MOD-EDT , Graphical Editor for SAP Signavio Process Manager , Known Error

SAP Signavio Process Manager all versions ; Signavio Process Manager all versions