View Compilation Error

0_0_31133695_30384.cpp: In function 'int main()':
0_0_31133695_30384.cpp:77:22: error: 'class TopologicalSort_AdjicencyList' has no member named 'hasloop'
         cout << ( tp.hasloop( )==false? "YES" : "NO" ) << endl ; 
                      ^