View Compilation Error

0_0_13475979_14940.cpp: In function 'int bfs()':
0_0_13475979_14940.cpp:48:44: error: 'point' has no member named 'kvis'
         if(t.y-1>=0&&a[t.x][t.y-1]!='*'&&t.kvis[t.x][t.y]&&t.p!=4){
                                            ^