microsoft/vscode · error · Error

{0}

Error message

{0}

What it means

Error "{0}" thrown in microsoft/vscode.

Source

Thrown at extensions/copilot/src/extension/chatSessions/vscode-node/copilotCloudSessionsProvider.ts:1655

		const chatResource = metadata.chatContext.chatSessionContext?.chatSessionItem?.resource;
		const selectedRepository = chatResource ? this.sessionRepositoryMap.get(chatResource) : undefined;

		const base_ref: string = await (async () => {
			const res = await this.checkBaseBranchPresentOnRemote(selectedRepository);
			if (!res) {
				// Unexpected
				throw new Error(vscode.l10n.t('Repo base branch is not detected on remote. Push your branch and try again.'));
			}
			return (res?.missingOnRemote || !res?.baseRef) ? res.repoDefaultBranch : res?.baseRef;
		})();
		stream.progress(vscode.l10n.t('Validating branch base branch exists on remote'));

		// Now trigger delegation
		try {
			await this.delegate(request, stream, context, token, metadata, base_ref, head_ref);
		} catch (error) {
			this.logService.error(`Failure in delegation: ${error}`);
			throw new Error(vscode.l10n.t('{0}', (error instanceof Error ? error.message : String(error))));
		}
	}

	/**
	 * Handle a click on the chat input "Create pull request" toolbar action (contributed to
	 * `chat/input/editing/sessionToolbar` and registered as
	 * {@link CREATE_PULL_REQUEST_FOR_TASK_COMMAND_ID}). The toolbar passes the session resource
	 * as the first argument, from which we resolve the task id. Shows a "Creating pull request"
	 * progress notification while the Task API's `create-pr` endpoint runs and the PR is reflected
	 * on the task; on success it shows no further message and instead flips the toolbar action to
	 * "Open pull request" (which opens the PR in the browser) by updating the context keys in place.
	 * The session list refreshes in place after the pull request is reflected on the task.
	 */
	private async handleCreatePullRequestForTaskCommand(sessionItemOrResource?: vscode.ChatSessionItem | vscode.Uri): Promise<void> {
		const backend = this._backend;
		const resource = sessionItemOrResource instanceof vscode.Uri ? sessionItemOrResource : sessionItemOrResource?.resource;
		const taskId = resource ? SessionIdForTask.parse(resource)?.taskId : undefined;
		if (!taskId) {

View on GitHub (pinned to a94b963a32)

When it happens

Trigger: Thrown at extensions/copilot/src/extension/chatSessions/vscode-node/copilotCloudSessionsProvider.ts:1655 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/vscode@a94b963a32 (2026-08-12). Data as JSON: /api/errors/668b366178536c50. Report an issue: GitHub.