if path_gdx_refpolicycost is empty, which usually means you are in a current policies scenario, report Policy Costs as zero to avoid to simply not have these variables in your submission.
Set dataDumpFile to NULL for checkSummations, as a joint file is written later
path_gdx_refpolicycostis empty, which usually means you are in a current policies scenario, report Policy Costs as zero to avoid to simply not have these variables in your submission.dataDumpFileto NULL for checkSummations, as a joint file is written later