Infinite Loop For Next when Deleting Array Elements

#RequireAdmin
#include <array.au3>
#include <file.au3>
#include <Excel.au3>
#include <MsgBoxConstants.au3>

Global $WXYZArray01, $array01, $ProgramTitle, $sleeptime, $k01

$ProgramTitle = "Testing 1 2 3"

$sleeptime = 1000

_FileReadToArray(@ScriptDir & "\" & "testing_output_csv_unique_values.csv", $array01, "", ",")

;_ArrayDisplay ($array01, "Array01")

$aUniqueHostname = _ArrayUnique ($array01, 1)

;_ArrayDisplay ($aUniqueHostname, "UniqueHostname ")

For $i01 = Ubound($aUniqueHostname) - 1 to 0 Step - 1
    For $j01 = Ubound($array01) - 1 to 0 Step - 1
        If $array01[$j01][1] == $aUniqueHostname[$i01] and StringRegExp($array01[$j01][5], "MY_VALUE") then
            MsgBox(0, "Computer and MY_VALUE",  $aUniqueHostname[$i01] & " : " & $array01[$j01][5])
            $FileName01 = @ScriptDir & "\" & $array01[$j01][3] & "_" & $aUniqueHostname[$i01] & "_" & $array01[$j01][2] & ".csv"
             MsgBox(0, "File Name", $FileName01)
                $WXYZArray01 = $array01
                _ArrayDisplay ($WXYZArray01, "WXYZ Array")
                SplashTextOn($ProgramTitle, 'Generic - Please wait for loop to complete...', 400, 40, -1, -1, 2, "", 10)
                Sleep ($sleeptime)
                For $k01 = 0 To Ubound($WXYZArray01) - 1
                    ; MsgBox (0, "In the WXYZ loop", $WXYZArray01[$k01][1] & " : " & $aUniqueHostname[$i01])
                    If $WXYZArray01[$k01][1] <> $aUniqueHostname[$i01] Then
                        ;MsgBox (0, "In the WXYZ loop - Delete", $WXYZArray01[$k01][1] & " : " & $aUniqueHostname[$i01])
                    _ArrayDelete($WXYZArray01, $k01)
                    ;_ArrayDisplay ($WXYZArray01)
                    $k01 -= 1
                    EndIf
                    If $k01 = UBound($WXYZArray01) - 1 Then ExitLoop
                Next
                SplashOff()
                MsgBox (0, "Out of the WXYZ loop", "Out of the WXYZ loop - File Write From Array")
                _FileWriteFromArray($FileName01, $WXYZArray01, 1)
            ExitLoop
        EndIf
    Next
Next