The GraphQL mutation `useOCDevManageEventEditMutation` fails with error code 4564004 and message "Something went wrong when trying to update your event. Please try again later." when attempting to publish or update events from the event edit page in the Developer Dashboard. This error is caused by a server-side failure during the event update operation, as indicated by Relay's error handling (`createErrorFromPayload` in `RelayGraphQLRequestUtils`).