Don’t join tt to DB this is going to cause a lot of issues.
(Long Story see Joining "TT" records to regular DB records in BPMs)
What I recommend is that you add the QuoteNumber to a variable in an initial widget, then simply bring ERP.QuoteAsm and add a filter on that variable.
That “MATCHES” uses RegEx.IsMatch
So don’t use Wild Cards there simply type “Alum” in quotes