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Christopher_Mal
ServiceNow Employee

Recently I was in the "My Virtual Assets" dashboard and I tried to add the "Type" field to the list of virtual assets I managed.   As soon as I did this I could no longer see my list of virtual assets and instead started seeing this issue (Syntax Error or Access Rule Violation detected by database (unknown column)):

Issue1.png

With the help of support, we were able to determine that the "Type" field was a reference field that pointed to no table at all.   If you were to look at that field in the dictionary it would show this:

Issue2.png

The fix was to assign some table (any table) to that reference field for this particular column.   This can show up in a variety of cases, but the cause is the same.   If you add a field to a list that is a reference make sure it actually references a table.   Cheers.

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