Honeybee district scale simulation crash

We are trying to run an energy simulation of a district (ca. 150 buildings) using the Honeybee plugin but are having difficulties with this. We were successful to run the simulation building by building but this method doesn’t take the shading from surrounding buildings into account. When running the entire district model the simulation starts but crashes with the following message: “1. The simulation has failed because of this fatal error:  **  Fatal  ** Program terminates due to preceding condition”