Symptom
Some dictionary items, with multiple revisions, are missing those revisions from the feed, and therefore you can't restore/view previous versions.
Resolution
This is a known issue and has already been forwarded to our developers to get this fixed. If you are affected by this issue and want to be kept up to date about this issue, please create a ticket in our SAP Signavio Support Portal and reference the ticket number SPM-14664
Keywords
KBA , BPI-SIG-PM-DIC , Dictionary for SAP Signavio Process Manager , Known Error
Product
SAP Signavio Process Manager all versions ; Signavio Process Manager all versions