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LBL Modelica Buildings Library stopped working with European weater data files

I recently started working with the LBL Modelica Buildings Library (6.0.0) in Dymola 2020x. I downloaded the .epw data for Strasbourg from the EnergyPlus homepage and converted it with the Java tool, which worked. About a week later, the simulation stopped working "without any error indication."

After some testing, I identified the weather data as the source of the problem. The simulation works with weather data from Chicago, San Francisco, Seattle and Portland, but not with data from Strasbourg, Geneva and London.

Has anyone else encountered such a problem?