paperclipai/paperclip · error
Another execution for this routine is already in progress
Error message
Another execution for this routine is already in progress
What it means
409 from issue checkout/run start. Fires when the target routine already has an execution in progress — the checkout path detects an existing active run for the same routine and refuses to start a concurrent one, enforcing one-active-execution-per-routine.
Source
Thrown at server/src/routes/issues.ts:11471
actor,
source: "issue.comment",
});
if (issue.status === "in_review" && expiredInteractions.length > 0) {
const reviewAttention = await svc
.listReviewAttention(issue.companyId, [issue])
.then((map) => map.get(issue.id));
if (reviewAttention?.state === "stalled") {
const expiredInteractionIds = expiredInteractions.map((interaction) => interaction.id).sort();
lostReviewPathRef = expiredInteractionIds.length === 1
? expiredInteractionIds[0]!
: `interactions:${expiredInteractionIds.join(",")}`;
}
}
} else if (updateReferenceSummaryAfter) {
issueResponse = {
...issueResponse,
relatedWork: updateReferenceSummaryAfter,
referencedIssueIdentifiers: updateReferenceSummaryAfter.outbound.map(
(item) => item.issue.identifier ?? item.issue.id,
),
};
}
const commentIsFromAssigneeRun = comment
? await commentWasCreatedByAssigneeRun(comment, issue.assigneeAgentId)
: false;
const assigneeChanged =
issue.assigneeAgentId !== existing.assigneeAgentId || issue.assigneeUserId !== existing.assigneeUserId;
const statusChangedFromBacklog =
existing.status === "backlog" &&
issue.status !== "backlog" &&
req.body.status !== undefined;
const statusChangedFromClosedToTodo =
isClosedIssueStatus(existing.status) &&View on GitHub (pinned to 01ad858492)
Solutions
- Wait for the conflicting state to clear (running job, hold, pause, or stale fingerprint), refresh the current state, then retry the operation.
Defensive patterns
Strategy: retry
When it happens
Trigger: Thrown at server/src/routes/issues.ts:10687 when the library encounters an invalid state.
Common situations: See trigger scenarios.
AI-assisted analysis of paperclipai/paperclip@01ad858492 (2026-08-18).
Data as JSON: /api/errors/59d11cc6abd52bf6.
Report an issue: GitHub.