BigBlueButton error codes
2026-05-13 BigBlueButtonBigBlueButton sometimes show an error with a 4-digit number but no further explanation. I could not find a complete list online, so I dug into the sources (1, 2) and made a list:
Issues with real-time audio and video transmission
| Code | Name | Description |
|---|---|---|
| 1101 | SIGNALLING_TRANSPORT_DISCONNECTED | Connection interrupted |
| 1102 | SIGNALLING_TRANSPORT_CONNECTION_FAILED | Connection not possible |
| 1104 | SCREENSHARE_PLAY_FAILED | Unsupported screen or video format |
| 1105 | PEER_NEGOTIATION_FAILED | All connection attempts were blocked (firewall?) |
| 1107 | ICE_STATE_FAILED | All connection attempts were blocked (firewall?) |
| 1110 | ENDED_WHILE_STARTING | Connection ended while it was still being established |
| 1120 | MEDIA_TIMEOUT | Connection was established, but no data is arriving |
| 1121 | UNKNOWN_ERROR | Other errors |
Issues with the media source
| Code | Name | Description |
|---|---|---|
| 1130 | GetDisplayMediaGenericError | Other errors |
| 1131 | AbortError | Operation aborted |
| 1132 | InvalidStateError | Media source is already being used exclusively by another application |
| 1133 | OverconstrainedError | Media source does not support any of the requested resolutions |
| 1134 | TypeError | Browser is too old or not standards-compliant |
| 1135 | NotFoundError | No media sources found, or blocked by the operating system |
| 1136 | NotAllowedError | Access to media source denied by the browser or the user |
| 1137 | NotSupportedError | Browser is too old or not standards-compliant |
| 1138 | NotReadableError | Media source found, but faulty |
Connection issues between client and server
| Code | Name | Description |
|---|---|---|
| 1301 | WEBSOCKET_DISCONNECTED | Connection interrupted |
| 1302 | WEBSOCKET_CONNECTION_FAILED | Connection not possible |
| 1305 | PEER_NEGOTIATION_FAILED | All connection attempts were blocked (firewall?) |
| 1307 | ICE_STATE_FAILED | Browser error |
| 1310 | ENDED_WHILE_STARTING | Connection ended while it was still being established |
Issues processing or relaying audio and video
| Code | Name | Description |
|---|---|---|
| 2000 | MEDIA_SERVER_CONNECTION_ERROR | Internal error |
| 2001 | MEDIA_SERVER_OFFLINE | Internal error |
| 2002 | MEDIA_SERVER_NO_RESOURCES | Internal error |
| 2003 | MEDIA_SERVER_REQUEST_TIMEOUT | Internal error |
| 2004 | MEDIA_SERVER_GENERIC_ERROR | Internal error |
| 2020 | ICE_ADD_CANDIDATE_FAILED | Connection issue from server to client |
| 2021 | ICE_GATHERING_FAILED | Connection issue from server to client |
| 2022 | ICE_STATE_FAILED | Connection issue from server to client |
| 2200 | MEDIA_GENERIC_ERROR | Problems with media processing |
| 2201 | MEDIA_NOT_FOUND | Internal error |
| 2202 | MEDIA_INVALID_SDP | Internal error |
| 2203 | MEDIA_NO_AVAILABLE_CODEC | Unsupported media format |
| 2208 | MEDIA_GENERIC_PROCESS_ERROR | Internal error |
| 2209 | MEDIA_ADAPTER_OBJECT_NOT_FOUND | Internal error |
| 2210 | MEDIA_CONNECT_ERROR | Internal error |
| 2211 | MEDIA_NOT_FLOWING | Internal error |
| 2300 | SFU_INVALID_REQUEST | Bug in BBB |