View Compilation Error

0_0_14830272_26949.cpp: In function 'LL CRT(LL*, LL*, int)':
0_0_14830272_26949.cpp:91:41: error: 'qmod' was not declared in this scope
         x = (x + qmod(y, qmod(w, a[i], M), M)) % M;
                                         ^
0_0_14830272_26949.cpp:91:45: error: 'qmod' was not declared in this scope
         x = (x + qmod(y, qmod(w, a[i], M), M)) % M;
                                             ^
0_0_14830272_26949.cpp:91:45: error: redeclaration of '<typeprefixerror>qmod'
0_0_14830272_26949.cpp:91:41: note: previous declaration '<typeprefixerror>qmod'
         x = (x + qmod(y, qmod(w, a[i], M), M)) % M;
                                         ^