> ## Documentation Index > Fetch the complete documentation index at: https://docs-hub.magicmealkits.com/llms.txt > Use this file to discover all available pages before exploring further. # Troubleshooting > Find what you are seeing, and what causes it. Grouped by the part of the setup it belongs to. **If every tool call comes back saying permission was denied,** stop here. That is not a broken install. Your project has not been approved for [Developer Preview](/developer-preview) yet, and nothing else will work until it is. ## Installing and upgrading | What you see | What it means | | -------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------- | | The installer has no MCP Hub section | The hub is in beta and access is granted per account. Request it at [hub.magicmealkits.com](https://hub.magicmealkits.com) | | Deploying stops on billing | The project has no billing account linked. The message has a button that opens the right page. Link one, then deploy again | | No **Upgrade now** button, though a newer version exists | You are already on the newest version. If your hub predates version tracking, tell us and we will move you | | Every client suddenly wants to connect again | Something reissued your admin token. Stopping the hub and deploying again does that. Upgrading does not | | You want to change the region | It is fixed once deployed. Changing it means stopping the hub and deploying again, which reissues your admin token and MCP address | ## Developer Preview | What you see | What it means | | ------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------- | | Permission denied on every tool call | Your project is not approved yet. See [Developer Preview](/developer-preview) | | The check reports APIs it could not enable | Expected before approval. Those are the ones approval unlocks | | No reply a week after applying | Check spam, then contact [workspace-dpp-mod@google.com](mailto:workspace-dpp-mod@google.com) | | The application was rejected | Almost always a Gmail address, service account or group address in the registered email field. Reapply with a Workspace address | | Approved, but still permission denied | The approved project is not the one holding that account's credentials. Approval is per project | | One account works, another does not | Same cause. That account's credentials live in a project that was never registered | ## Connecting a Google account | What you see | What it means | | --------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------ | | The account connects, but can do nothing | **Select all** was left unticked on Google's permissions screen. Reconnect the account and tick it | | Google says the redirect address does not match | The address from the installer's OAuth card is not in your client's authorised redirect URIs, or was pasted with a character missing | | Google warns the app is not verified | Expected on your own app. Choose Advanced, then the "go to" link | | An account keeps needing reconnecting, about weekly | Your consent screen is still in **Testing**. Publish it and this stops. Verification is not what fixes it | | An account is marked as needing attention | Its sign-in expired or was revoked. Press Reconnect on the account | | Adding a service asks you to reconnect | Expected. The new service needs permissions the account has not granted yet. Removing a service does not ask | ## Connecting Claude or another client | What you see | What it means | | ----------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------- | | Claude connects but shows no tools | Nothing could be registered while Developer Preview was closed. Press **Refresh** next to the schema status in the admin screen, once | | Claude cannot reach the server | The address does not match what your hub publishes. Copy it again from the installer rather than retyping it | | You want to use ChatGPT or something else | The same address works anywhere that takes a custom MCP server. Only the name of the screen changes | ## Sending mail | What you see | What it means | | ------------------------------------------------ | --------------------------------------------------------------------------------------------------------------- | | Claude writes drafts but will not send | Sending is off for that account until you turn it on. Open the account in the admin screen, under Sending | | Mail from two addresses arrives looking the same | Gmail keeps a display name per address, and they usually start out identical. [How to change it](/sending-name) | | Mail went out from the wrong address | Name the address in the request. Without one it goes from the address that account normally sends from | ## Still stuck * [Setting up](/quickstart), from the beginning * [Developer Preview](/developer-preview), in full