View Compilation Error

0_0_39162803_6261.cpp: In function 'int KMP(int*, int*, int*, int, int)':
0_0_39162803_6261.cpp:24:29: error: 'nextval' was not declared in this scope; did you mean 'next'?
   24 |                         j = nextval[j];
      |                             ^~~~~~~
      |                             next