On opening a project in PowerConnect, you get the error:
Problem in TMaterial.ReadFromXMLDoc.
The requested value BS_5950 is not found
[NL]: De aangevraagde waarde BS_5950 is niet gevonden.
The project you’re trying to open was made in version 2018, while you try to open it in 2017. BS 5950 is a British standard implemented in 2018. Version 2017 won’t recognize it.
Click the error away and continue you calculations.