test that batches error correctly when passed null
test that batches error correctly when passed null

toddself/levelup,lastguest/levelup,timkuijsten/levelup,lastguest/levelup,toddself/levelup,roppa/levelup,JTKnox91/levelup,Level/levelup,roppa/levelup,JTKnox91/levelup,timkuijsten/levelup,djchie/levelup,djchie/levelup