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The number of zones that you have may be the culprit. You can try setting you numberOfTimestepsPerHour to 1 to try and reduce the simulation time.

Also, as for the warmupconvergence error, it can be either you have really complex constructions or you have errors in your geometry.

The number of zones that you have may be the culprit. You can try setting you numberOfTimestepsPerHour to 1 to try and reduce the simulation time.

Also, as for the warmupconvergence error, it can be either you have really complex constructions or you have errors in your geometry.geometry. Each zone normally has at least 6 surfaces, but currently, you have an average of 2.7 surfaces per zone. I would argue that the export from DesignBuilder failed.