ErrLookup › calesthio/OpenMontage

calesthio/OpenMontage

World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant into a full video production studio. · Python · 248 source files

Analyzed at 95e1c3d0ab on 2026-08-15. 335 documented errors.

Code / MessageTypeSeverityTags
GATE VIOLATION: stage
validation error checkpoint, human-in-the-loop, state-machine, protocol
pricing is unknown for a custom Ark Endpoint/Model; set…
validation error seedance, ark, pricing, cost-tracking, input-validation
Ark query returned no response
exception error network, retry, seedance, ark, polling
{detail}
exception error subprocess, ffmpeg, cli, error-handling
Unknown step kind
validation error scene, pacing, validation, video
Error: must define at least one cut.
console error props, validation, rendering, remotion
Pipeline does not permit . Set extensions. : true in the…
validation error pipeline, extensions, permissions, security
Kling image response item contained no downloadable URL
validation error kling, image-generation, api-schema, response-parsing
Unknown profile . Available
validation error media, profiles, validation, configuration
Backlot server did not become healthy
exception error server, health-check, timeout, port, eval
Kling result did not include a remote video URL for…
exception error kling, api-schema, parsing, e2e
Prompt did not complete within s (websocket wait). The job…
exception warning comfyui, websocket, timeout, long-running
ffmpeg failed to render preview MP4
exception error ffmpeg, subprocess, encoding, filesystem, character-animation
{exc}
exception error network, seedance, ark, http, api-errors
stage drawer did not open
exception error ui, playwright, smoke-test, frontend
Pipeline manifest not found
exception error pipeline, manifest, file-not-found, configuration
HTTP , code
http error doubao, api-error, auth, quota
Cannot infer Atlas reference media type from
validation error atlas, video-generation, media-type, input-validation
No history entry for
exception warning comfyui, history, consistency, rare
Scene pacing check failed
validation error scene, pacing, assertion, video, sync
Prompt did not complete within s. The job is very likely…
exception warning comfyui, timeout, long-running, gpu
takes drawer not present on staged takes scene
exception error ui, playwright, smoke-test, frontend, selector
Error: npx is required but was not found on PATH.
console error environment, npx, prerequisites, rendering
ARK_API_KEY must contain only the API Key body; remove the…
validation error seedance, ark, authentication, environment, configuration
Schema not found
exception error schemas, artifacts, validation, file-not-found
Unsupported Kling lip-sync operation
validation error kling, lip-sync, enum-validation, routing
video_list items must be objects
validation error kling, input-validation, video-generation, schema
Kling Classic create response missing data.task_id
exception error kling, api-contract, task-creation, parsing
Kling identify-face response face list is not a list
validation error kling, lip-sync, schema-mismatch, api-response
Playbook not found
exception error playbook, file-not-found, configuration, styles
Unknown extension type
validation error pipeline, extensions, validation, programmer-error
Suno generation failed with status
exception error suno, music, content-moderation, polling, api
Ark task succeeded without content.video_url
exception critical seedance, ark, provider-bug, video-generation, download
No prompt_id in response
exception error comfyui, api-contract, server-misconfig
Node errors
exception error comfyui, workflow-validation, api-client, node-errors
failed
exception error e2e, kling, api-client, fail-fast
Kling video response contained no downloadable URL
validation error kling, video-generation, response-parsing, api-drift
Execution error
exception error comfyui, execution-error, gpu, oom
full_lip_sync could not infer sound_end_time; provide it…
validation error kling, lip-sync, audio-duration, timing
ARK_BASE_URL must be an https:// URL
validation error seedance, ark, configuration, security, environment
Required environment variable
exception error environment, configuration, secrets, startup
Cannot upload — file not found
exception error atlas-cloud, upload, filesystem, precondition, validation
No output artifacts on node
exception error comfyui, artifacts, node-id, workflow
Unknown harmony type
exception error styles, color, validation, value-error
Avatar smoke requires an existing narration file
exception error e2e, prerequisite, kling, file-check
Error: npm is required but was not found on PATH.
console error environment, npm, prerequisites, rendering
No taskId in Suno response
exception error api, suno, music, schema-mismatch, authentication
Uploaded video did not finish processing in time
exception error gemini, files-api, timeout, video-upload, polling, network
operation must be text_to_video, image_to_video, or…
validation error seedance, ark, input-validation, video-generation
Could not read image
validation error opencv, image, file-io, validation, upscale
priority must be between 0 and 9
validation error validation, seedance, ark, parameters
Doubao submit succeeded but did not return data.task_id
exception error doubao, tts, api-contract, volcengine
duration must be an integer from 4 to
validation error validation, seedance, ark, duration, type-coercion, input-validation
DashScope ASR task did not finish within s
exception error dashscope, asr, timeout, polling, network
Jimeng task done but no video_url
exception error jimeng, volcengine, api-contract, polling, missing-result
Kling Classic result path data.task_result.
exception error kling, api-schema, polling, type-mismatch
Python module not installed.
exception error dependencies, python, installation, virtualenv
Polling prediction failed after consecutive transport errors
exception error atlas-cloud, polling, network, retry, resilience
Atlas Cloud error (code )
exception error atlas-cloud, api, auth, billing, envelope
Prompt error
exception error comfyui, workflow-validation, api-client
TokenHub task returned unknown status
exception error hunyuan, tokenhub, api-contract, state-machine, polling
prompt is required for text_to_video
validation error seedance, ark, input-validation, prompt, video-generation
First paid use of tool
exception warning budget, cost-tracking, approval, policy
Error: Node.js is required. Install it from…
console error environment, nodejs, prerequisites, rendering
FFmpeg lavfi movie paths containing single quotes are…
validation error ffmpeg, lavfi, sanitization, filesystem, security
Seedream submit succeeded but did not return request_id
exception error seedream, fal, queue-api, authentication, response-parsing
Playwright is required to render preview MP4
exception error playwright, dependency, environment, character-animation, rendering
Command not found.
exception error dependencies, environment, cli, installation
Dareful download failed for
exception warning stock-footage, dareful, download, error-wrapping
KLING_API_KEY is not set. Configure KLING_API_KEY for…
exception critical kling, auth, env-vars, credentials
Kling avatar requires audio_id, sound_file, sound_file_url…
validation error kling, avatar, audio, required-field, input-validation
Completed but no video_url in output
exception error heygen, video-generation, response-parsing, api-schema
Files API response missing uri
exception error gemini, files-api, response-shape, api-contract, parsing
HeyGen execution timed out after s
exception error heygen, timeout, polling, video-generation
Kling identify_face requires video_url or video_id; local…
validation error kling, lip-sync, input-validation, explicit-upload
Kling identify-face response missing data.session_id
validation error kling, lip-sync, api-response, schema-mismatch, authentication
resolution must be 480p, 720p, 1080p, or 4k
validation error seedance, ark, input-validation, resolution
Action costs , exceeds single-action threshold
exception warning budget, cost-tracking, approval, policy
Could not find download URL on Dareful page
exception warning stock-footage, dareful, scraping, fragile, download
Kling avatar response item contained no downloadable URL
validation error kling, avatar, schema-mismatch, download
Kling video response contained no videos
validation error kling, video-generation, empty-response, download
Missing Three.js world templates
exception critical threejs, packaging, missing-files, installation
callback_url must be an absolute http(s) URL
validation error kling, callback, url-validation, pre-flight
TokenHub API error: code=
exception error hunyuan, tokenhub, provider-error, auth, quota, api-contract
Atlas Cloud upload returned no URL
exception error atlas-cloud, upload, api-contract, validation
face_choose items must be strings or objects
validation error kling, lip-sync, input-validation, face-choose
task_action must be generate, create, query, or cancel
validation error seedance, ark, input-validation, task-management
custom_price_cny_per_million_tokens must be a finite number…
validation error seedance, ark, pricing, input-validation, type-error
Gemini Omni developer reference_to_video requires exactly…
validation error atlas-cloud, gemini, video-generation, validation
Suno generation timed out after
exception error suno, timeout, polling, music
Cannot select face without face_id/id
validation error kling, lip-sync, face-detection, schema
model must be a non-empty Ark Model/Endpoint ID
validation error validation, seedance, ark, model-id, environment, config
task_id is missing or invalid
validation error validation, seedance, ark, task-id
ARK_CNY_PER_USD must be a finite number greater than 0
validation error seedance, ark, configuration, environment, exchange-rate
Environment variable
exception error dependencies, environment, secrets, configuration
Failed to load/refresh service-account credentials from
exception error google, authentication, credentials, network, service-account
Kling Classic task failed
exception error kling, api, async-task, polling, generation-failed
Node not found in workflow. Available
exception error comfyui, workflow, patching, node-id
text_to_video does not accept reference media; use…
validation error validation, seedance, ark, input-validation, video-generation
failed with HTTP
http error atlas-cloud, http, auth, rate-limit, network