earendil-works/pi · error · Error

Authentication failed for "${this.model.provider}". Credenti

Error message

Authentication failed for "${this.model.provider}". Credentials may have expired or network is unavailable. Run '/login ${this.model.provider}' to re-authenticate.

What it means

Error "Authentication failed for "${this.model.provider}". Credentials may have expired or network is unavailable. Run '/login ${this.model.provider}' to re-authenticate." thrown in earendil-works/pi.

Source

Thrown at packages/coding-agent/src/core/agent-session.ts:1207

				preflightResult?.(true);
				return;
			}

			// Flush any pending bash messages before the new prompt
			this._flushPendingBashMessages();

			// Validate model
			if (!this.model) {
				throw new Error(formatNoModelSelectedMessage());
			}

			const hasConfiguredAuth =
				this._modelRuntime.hasConfiguredAuth(this.model.provider) ||
				(await this._modelRuntime.checkAuth(this.model.provider)) !== undefined;
			if (!hasConfiguredAuth) {
				const isOAuth = this._modelRuntime.isUsingOAuth(this.model.provider);
				if (isOAuth) {
					throw new Error(
						`Authentication failed for "${this.model.provider}". ` +
							`Credentials may have expired or network is unavailable. ` +
							`Run '/login ${this.model.provider}' to re-authenticate.`,
					);
				}
				throw new Error(formatNoApiKeyFoundMessage(this.model.provider));
			}

			// Check if we need to compact before sending (catches aborted responses).
			// The user's new prompt is sent below, so do not call agent.continue() here.
			const lastAssistant = this._findLastAssistantMessage();
			if (lastAssistant) {
				await this._checkCompaction(lastAssistant, false);
			}

			// Build messages array (custom message if any, then user message)
			messages = [];

View on GitHub (pinned to 4af9d21d3b)

When it happens

Trigger: Thrown at packages/coding-agent/src/core/agent-session.ts:1207 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

• Authentication and authorization failures — expired tokens, bad credentials, and missing scopes.

AI-assisted analysis of earendil-works/pi@4af9d21d3b (2026-08-24). Data as JSON: /api/errors/bbeb9fa816a9a74a. Report an issue: GitHub.