Render error
Rendering failed after parse. Return the error and source; do not fabricate an artifact.
The diagram parsed but rendering to SVG/PNG/text threw before an artifact existed. Return the error and the source — never a fabricated image; simplify or split the diagram, or retry a lighter format (SVG or ASCII before PNG).
Surfaces as the RENDER_FAILED verify code.
am verify diagram.mmd --jsonReturn the structured error to the caller when a safe automatic fix is not obvious.
Machine-readable: this page as Markdown.
Back to all errors, or open a blank editor to test a source file.