View Compilation Error

0_0_27793225_8512.cpp: In member function 'void Query::read(int)':
0_0_27793225_8512.cpp:91:14: error: no matching function for call to 'Query::read()'
     l = read();
              ^
0_0_27793225_8512.cpp:91:14: note: candidate is:
0_0_27793225_8512.cpp:88:8: note: void Query::read(int)
   void read(int i)
        ^
0_0_27793225_8512.cpp:88:8: note:   candidate expects 1 argument, 0 provided
0_0_27793225_8512.cpp:92:14: error: no matching function for call to 'Query::read()'
     r = read();
              ^
0_0_27793225_8512.cpp:92:14: note: candidate is:
0_0_27793225_8512.cpp:88:8: note: void Query::read(int)
   void read(int i)
        ^
0_0_27793225_8512.cpp:88:8: note:   candidate expects 1 argument, 0 provided