Error 21 22 - LNDRLNDR/CARL2_App GitHub Wiki

Error 21/22: Communication Blocked

If you encounter this error, follow these steps to resolve it:

  1. Close CARL2
  2. Open Windows Search.
  3. Type "Command Prompt".
  4. Right-click and select "Run as administrator".
  5. Type and run:
    net stop winnat
  6. Type and run:
    net start winnat
  7. Launch CARL2 as soon as possible after running these commands.

If done correctly, you should see the following confirmation:

image

Following these steps should fix the issue. If the problem persists, contact support in the Discord.