Fails to translate to SLD for line features

[fujiokae]

Not sure if this Toolbox is maintained but I have just installed it and tried to convert ArcGIS line feature symbology to SLD. It ended up with an error on Line 30 in _polylineTranslator.py:
outLine_width = layout['symbol']['width'].

I think this line should go like
outLine_width = valueInfo['symbol']['width']

I edited the source and was successful in generating SLD for the line feature.
I use ArcGIS 10.6.

[pimpolha]

Since i downloaded arcgis2qgs to qgis i can't use the processing module.
Whenever I try to install processing module qgis it goes down.
I already uninstalled qgis and reinstalled different versions but I still have the same problem.
What can I do?