Created attachment 117590 [details] bt with debug symbols Following tdf#92434, LO crashes when doing this: - open an odb file with at least 1 table (for example with embedded hsqldb type) or create a brand new odb file + a table - Menu Tools/Relationships... - add a table (click "Add" button then close dialog) - right click on table and click on "Delete" - confirm by clicking "Yes" button => crash
On pc Debian x86-64 with master sources updated today, I don't reproduce this. Let's close this one.