I have a custom attribute type "dictionary link" at the diagram level, but in the "Show usages" tool from the dictionary, I can see the list of all diagrams where this item is used:
Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.
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 the SAP Support Launchpad and reference the ticket number CS-2994
KBA , BPI-SIG-PM-DIC , Dictionary for SAP Signavio Process Manager , Known Error