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--Scanning drawing 1500370A.CAD
Failed to handle function hotspot for function 0
Unsupported input hotspot type 86

This indicates a mismatch on the version of SHAPE.LBR and the function codes in the CLD/CAD drawings. This message can also indicate that function code elements have been used for diagrams without regard to the integral block numbers. Please let us know if you get this error. It may be our problem.