reportCosts(gdx) without any output that includes other report function output was calling reportPrices(gdx, regionSubsetList=regionSubsetList, t) which interpreted the t as second unnamed parameter in reportPrices, thus output, which obviously lead to fails.
reportCosts(gdx)without anyoutputthat includes other report function output was callingreportPrices(gdx, regionSubsetList=regionSubsetList, t)which interpreted thetas second unnamed parameter in reportPrices, thusoutput, which obviously lead to fails.