i can not verify links, i get error500 for all the links and i know that's not true.
could someone tell me which scripts verify links so i can double check them because everything else is working fine.
here is what i get when i verify links

Link checking started at: 19:54:15

Need to check 748 links. This could take a while.. please be patient:

Checking key: 1 . . .Failure (500). modify delete.
Checking key: 2 . . .Failure (500). modify delete.
Checking key: 3 . . .Failure (500). modify delete.
Checking key: 4 . . .Failure (500). modify delete.
Checking key: 6 . . .Failure (500). modify delete.
Checking key: 7 . . .Failure (500). modify delete.
Checking key: 8 . . .Failure (500). modify delete.
Checking key: 9 . . .Failure (500). modify delete.
Checking key: 10 . . .Failure (500). modify delete.
Checking key: 11 . . .Failure (500). modify delete.
Checking key: 12 . . .Failure (500). modify delete.
Checking key: 13 . . .Failure (500). modify delete.
Checking key: 14 . . .Failure (500). modify delete.
Checking key: 15 . . .Failure (500). modify delete.
Checking key: 16 . . .Failure (500). modify delete.
Checking key: 17 . . .Failure (500). modify delete.
Checking key: 18 . . .Failure (500). modify delete.
Checking key: 19 . . .Failure (500). modify delete.
Checking key: 20 . . .Failure (500). modify delete.
Checking key: 21 . . .Failure (500). modify delete.
Checking key: 22 . . .Failure (500). modify delete.
Checking key: 23 . . .Failure (500). modify delete.
Checking key: 24 . . .Failure (500). modify delete.
Checking key: 25 . . .Failure (500). modify delete.
Checking key: 26 . . .Failure (500). modify delete.
Checking key: 27 . . .Failure (500). modify delete.
Checking key: 28 . . .Failure (500). modify delete.
Checking key: 29 . . .Failure (500). modify delete.
Checking key: 30 . . .Failure (500). modify delete.
Checking key: 31 . . .Failure (500). modify delete.
Checking key: 32 . . .Failure (500). modify delete.
Checking key: 33 . . .Failure (500). modify delete.
Checking key: 34 . . .Failure (500). modify delete.
Checking key: 35 . . .Failure (500). modify delete.
Checking key: 36 . . .Failure (500). modify delete.
Checking key: 37 . . .Failure (500). modify delete.
Checking key: 38 . . .Failure (500). modify delete.
Checking key: 39 . . .Failure (500). modify delete.
Checking key: 40 . . .Failure (500). modify delete.
Checking key: 41 . . .Failure (500). modify delete.
Checking key: 42 . . .Failure (500). modify delete.
Checking key: 43 . . .Failure (500). modify delete.
Checking key: 44 . . .Failure (500). modify delete.
Checking key: 45 . . .Failure (500). modify delete.
Checking key: 46 . . .Failure (500). modify delete.
Checking key: 47 . . .Failure (500). modify delete.
Checking key: 48 . . .Failure (500). modify delete.
Checking key: 49 . . .Failure (500). modify delete.
Checking key: 50 . . .Failure (500). modify delete.
Checking key: 51 . . .Failure (500). modify delete.
Checking key: 52 . . .Failure (500). modify delete.
Checking key: 53 . . .Failure (500). modify delete.
Checking key: 54 . . .Failure (500). modify delete.
Checking key: 55 . . .Failure (500). modify delete.
Checking key: 56 . . .Failure (500). modify delete.
Checking key: 57 . . .Failure (500). modify delete.
Checking key: 58 . . .Failure (500). modify delete.
Checking key: 59 . . .Failure (500). modify delete.
Checking key: 60 . . .Failure (500). modify delete.
Checking key: 61 . . .Failure (500). modify delete.
Checking key: 62 . . .Failure (500). modify delete.
Checking key: 63 . . .Failure (500). modify delete.
Checking key: 64 . . .Failure (500). modify delete.
Checking key: 65 . . .Failure (500). modify delete.
Checking key: 66 . . .Failure (500). modify delete.
Checking key: 67 . . .Failure (500). modify delete.
Checking key: 68 . . .Failure (500). modify delete.
Checking key: 69 . . .Failure (500). modify delete.
Checking key: 70 . . .Failure (500). modify delete.
Checking key: 71 . . .Failure (500). modify delete.
Checking key: 72 . . .Failure (500). modify delete.
Checking key: 73 . . .Failure (500). modify delete.
Checking key: 74 . . .Failure (500). modify delete.
Checking key: 75 . . .Failure (500). modify delete.
Checking key: 76 . . .Failure (500). modify delete.
Checking key: 77 . . .Failure (500). modify delete.
Checking key: 78 . . .Failure (500). modify delete.
Checking key: 79 . . .Failure (500). modify delete.
Checking key: 80 . . .Failure (500). modify delete.
Checking key: 81 . . .Failure (500). modify delete.
thanks for your help