Unable to send large Civil3D model

We have a dwg file that we aren’t able to send from Civil3D to Speckle. It’s about 60mb and contains 215.000 polylines. When I select a sub set of the elements it is possible to send them so it doesn’t appear to be a local conversion error. The error is: “One or more errors occurred.”

The dwg file can be downloaded here: WeTransfer - Send Large Files & Share Photos Online - Up to 2GB Free

The beginning and end of the log looks as follows. In between the log is only filled with “[date and time] Converted Polyline3d” there are 215000 of those lines in the log. Only one error shows up at the end (it takes about 2 minutes after converting the last line):

SUMMARY
CONVERTED: 212500
18-07-22 12:14:57 Using converter: ConverterAutocadCivil v. . .
18-07-22 12:15:21 Using document: C:\. . .\HKOpen_iB1000_Building.dwg
18-07-22 12:15:21 Using units: m
18-07-22 12:15:21 Converted Polyline3d
18-07-22 12:15:21 Converted Polyline3d
. . .
18-07-22 12:16:07 Converted Polyline3d
18-07-22 12:16:07 Converted Polyline3d
18-07-22 12:18:05 One or more errors occurred.

@JdB Thanks for the file, I’ll take a look and see if I can reproduce!

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Thanks @clrkng! Were you able to reproduce the error?