earendil-works/pi · error · Error

Agent is already processing. Specify streamingBehavior ('ste

Error message

Agent is already processing. Specify streamingBehavior ('steer' or 'followUp') to queue the message.

What it means

Error "Agent is already processing. Specify streamingBehavior ('steer' or 'followUp') to queue the message." thrown in earendil-works/pi.

Source

Thrown at packages/coding-agent/src/core/agent-session.ts:1180

					return;
				}
				if (inputResult.action === "transform") {
					currentText = inputResult.text;
					currentImages = inputResult.images ?? currentImages;
				}
			}

			// Expand skill commands (/skill:name args) and prompt templates (/template args)
			let expandedText = currentText;
			if (expandPromptTemplates) {
				expandedText = this._expandSkillCommand(expandedText);
				expandedText = expandPromptTemplate(expandedText, [...this.promptTemplates]);
			}

			// If streaming, queue via steer() or followUp() based on option
			if (this.isStreaming) {
				if (!options?.streamingBehavior) {
					throw new Error(
						"Agent is already processing. Specify streamingBehavior ('steer' or 'followUp') to queue the message.",
					);
				}
				if (options.streamingBehavior === "followUp") {
					await this._queueFollowUp(expandedText, currentImages);
				} else {
					await this._queueSteer(expandedText, currentImages);
				}
				preflightResult?.(true);
				return;
			}

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

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

View on GitHub (pinned to 4af9d21d3b)

When it happens

Trigger: Thrown at packages/coding-agent/src/core/agent-session.ts:1180 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of earendil-works/pi@4af9d21d3b (2026-08-24). Data as JSON: /api/errors/17bd4f4569e4cc2d. Report an issue: GitHub.