Since wipe,  I'm only getting a single row of 6. default is set to 12, my group is set to 144. confirmed all the appropriate permissions are assigned

{
  "Backpack size": {
    "Default size": 12,
    "Max size per page": 42,
    "Enable legacy backpacks.use.1-8 row permissions": false,
    "Permission sizes": [
      12,
      18,
      24,
      30,
      36,
      42,
      48,
      96,
      144,
      200,
      300
    ],
    "Dynamic Size (EXPERIMENTAL)": {
      "Enabled": false,
      "Reset dynamic size on wipe": {
        "Enabled": true
      },
      "Size profiles": [
        {
          "Permission suffix": "6-42",
          "Initial size": 6,
          "Max size": 42
        }
      ]
    }
  },
  "Drop on Death (true/false)": false,
  "Erase on Death (true/false)": true,
  "Minimum Despawn Time (Seconds)": 300.0,
  "GUI Button": {
    "Enabled": true,
    "Enabled by default (for players with permission)": true,
    "Skin Id": 3376718969,
    "Image": "",
    "Background Color": "0.969 0.922 0.882 0.035",
    "GUI Button Position": {
      "Anchors Min": "0.5 0.0",
      "Anchors Max": "0.5 0.0",
      "Offsets Min": "185 18",
      "Offsets Max": "245 78"
    }
  },
  "Container UI": {
    "Show page buttons on container bar": false,
    "Max page buttons to show": 8
  },
  "Softcore": {
    "Reclaim Fraction": 0.5
  },
  "Item restrictions": {
    "Enabled": false,
    "Enable legacy noblacklist permission": false,
    "Feedback effect": "assets/prefabs/locks/keypad/effects/lock.code.denied.prefab",
    "Default ruleset": {
      "Allowed item categories": [
        "All"
      ],
      "Disallowed item categories": [],
      "Allowed item short names": [],
      "Disallowed item short names": [],
      "Allowed skin IDs": [],
      "Disallowed skin IDs": []
    },
    "Rulesets by permission": [
      {
        "Name": "allowall",
        "Allowed item categories": [
          "All"
        ],
        "Disallowed item categories": [],
        "Allowed item short names": [],
        "Disallowed item short names": [],
        "Allowed skin IDs": [],
        "Disallowed skin IDs": []
      }
    ]
  },
  "Clear on wipe": {
    "Enabled": true,
    "Enable legacy keeponwipe permission": false,
    "Default ruleset": {
      "Max slots to keep": 0,
      "Allowed item categories": [],
      "Disallowed item categories": [],
      "Allowed item short names": [],
      "Disallowed item short names": [],
      "Allowed skin IDs": [],
      "Disallowed skin IDs": []
    },
    "Rulesets by permission": [
      {
        "Name": "all",
        "Max slots to keep": -1,
        "Allowed item categories": [
          "All"
        ],
        "Disallowed item categories": [],
        "Allowed item short names": [],
        "Disallowed item short names": [],
        "Allowed skin IDs": [],
        "Disallowed skin IDs": []
      }
    ]
  }
}

It's strange that this would happen after wipe, since the plugin only resets backpack contents after wipe, not backpack permissions. The only exception is if you are using dynamic size system, but I can see you have that feature disabled so it's not applicable.

My guess is that there's something wrong with the permissions framework or underlying data. To troubleshoot, you could try creating a new Oxide group, adding yourself to that group, and adding the permission to that group. Alternatively, try granting the permission directly to your user. If this works, then it means the plugin is functioning correctly, but something may be corrupt about the groups you were using before.

So far none of my players have this problem . all slots there and occupied with saved items after wipe.

What I did was wiped the config and restarted. Then copied my changed values back in. Not sure what happened 🤷🏻‍♂️

Can you change the status to solved  :)