View Compilation Error

0_0_31620944_24090.cpp: In function 'int bfs(int, int, int)':
0_0_31620944_24090.cpp:24:31: error: 'struct Node' has no member named 'step'
     p.x = x,p.y = y,p.z = z,p.step = 0,vis[x][y][z] = 1;
                               ^