Your Bungie account is not compatible with this version of Marathon.
If you are playing a full version of Marathon, and this is your first time seeing this error, please try the activity again and resume what you were doing before encountering the error. If you encounter this a second time, please exit Marathon then relaunch the game. If this issue persists, you may need to re-install Marathon.
If you continue to receive this error, please consider following the suggestions at our Network Troubleshooting Guide.
If you are playing a full version of Marathon, and this is your first time seeing this error, please try the activity again and resume what you were doing before encountering the error. If you encounter this a second time, please exit Marathon then relaunch the game. If this issue persists, you may need to re-install Marathon.
If you continue to receive this error, please consider following the suggestions at our Network Troubleshooting Guide.