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Let me start by saying I'm pretty new to Openstudio. I've been having an issue that keeps cropping up - when running simulations and measures, it seems that I frequently get warnings or errors whenever the script I'm running attempts to look up data that's supposed to be passed back from energyplus either from the current run or a previous run (mostly zone or other equipment sizing data). It seems that the root of the issue is that in every model I've created, the "model.sqlfile" method returns 0, and so there's no database from which to look up information. When running simulations, the software seems to recover from this by calculating whatever it's looking for on its own, but some measures (specifically the "Create Performance Rating Method Baseline Building" measure from the standards library) fail without that sql file. Any tips on what to do here? Is there some setting that I'm missing?

Let me start by saying I'm pretty new to Openstudio. I've been having an issue that keeps cropping up - when running simulations and measures, it seems that I frequently get warnings or errors whenever the script I'm running attempts to look up data that's supposed to be passed back from energyplus either from the current run or a previous run (mostly zone or other equipment sizing data). It seems that the root of the issue is that in every model I've created, the "model.sqlfile" method returns 0, and so there's no database from which to look up information. When running simulations, the software seems to recover from this by calculating whatever it's looking for on its own, but some measures (specifically the "Create Performance Rating Method Baseline Building" measure from the standards library) fail without that sql file. Any tips on what to do here? Is there some setting that I'm missing?