Fixed missing return statement for level#next
Fixed missing return statement for level#next

harryggg/coursemology2,cysjonathan/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2,harryggg/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2,harryggg/coursemology2,cysjonathan/coursemology2,Coursemology/coursemology2,cysjonathan/coursemology2,Coursemology/coursemology2