View Compilation Error

0_0_22173793_8488.cpp: In function 'void ISAPbfs(long int, long int)':
0_0_22173793_8488.cpp:28:44: error: invalid conversion from 'void*' to 'long int*' [-fpermissive]
  long *que=Allocates(sizeof(long)*(vsize+1));
                                            ^