Hi Steve,
I tried this and I still get the error
Data Mismatch - NextRtgNo: "Rtg-" & Format(Max(Val(Mid([RtgNo],5)))+1,"000")
I tried this way with out the Val and it said Invalid Syntax or inclose your text data in quotes - NextRtgNo: "Rtg-" & Format(Max(Mid([RtgNo],5)))+1,"000")
Thanks BBryan