mermaid-js/mermaid · error · Error

Commit not found for key ${key}

Error message

Commit not found for key ${key}

What it means

Error "Commit not found for key ${key}" thrown in mermaid-js/mermaid.

Source

Thrown at packages/mermaid/src/diagrams/git/gitGraphRenderer.ts:152

      maxPosition = parentPosition;
    }
  });
  return closestParent || undefined;
};

const setParallelBTPos = (
  sortedKeys: string[],
  commits: Map<string, Commit>,
  defaultPos: number
) => {
  let curPos = defaultPos;
  let maxPosition = defaultPos;
  const roots: Commit[] = [];

  sortedKeys.forEach((key) => {
    const commit = commits.get(key);
    if (!commit) {
      throw new Error(`Commit not found for key ${key}`);
    }

    if (commit.parents.length) {
      curPos = calculateCommitPosition(commit);
      maxPosition = Math.max(curPos, maxPosition);
    } else {
      roots.push(commit);
    }
    setCommitPosition(commit, curPos);
  });

  curPos = maxPosition;
  roots.forEach((commit) => {
    setRootPosition(commit, curPos, defaultPos);
  });
  sortedKeys.forEach((key) => {
    const commit = commits.get(key);

View on GitHub (pinned to d93e9c88c0)

When it happens

Trigger: Thrown at packages/mermaid/src/diagrams/git/gitGraphRenderer.ts:152 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of mermaid-js/mermaid@d93e9c88c0 (2026-08-12). Data as JSON: /api/errors/4242c9ba18ced3c6. Report an issue: GitHub.