View Compilation Error

0_0_21944963_5034.cpp: In function 'int main()':
0_0_21944963_5034.cpp:122:91: error: 'struct node' has no member named 'mint'
             else if(px[i].mark==1)  ans1+=(LL)b[query(rt[px[i].l-1],rt[px[i].r],1,k,px[i].mint)];
                                                                                           ^
0_0_21944963_5034.cpp:128:61: error: 'struct node' has no member named 'mint'
             else ans3+=(LL)b[query(rt[0],rt[k1-1],1,k,px[i].mint)];
                                                             ^