CoplayDev/unity-mcp
Documented errors, page 2 of 2. Back to CoplayDev/unity-mcp
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Port-based targeting | validation | error | validation, transport, http, unity-instance |
| API key authentication required. Provide a valid X-API-Key… | exception | critical | auth, api-key, remote-hosted, http |
| No Unity editor binary found. Searched:\n | exception | error | tooling, unity-editor, validation, harness |
| No available ports found in range | exception | error | port, network, resource-exhaustion |
| Could not generate a unique screenshot filename for | exception | warning | screenshot, filesystem, unity-editor, io |
| Expected JSON object or null when deserializing Matrix4x4… | exception | error | serialization, matrix4x4, json, deserialization, type-converter |
| A Unity test run is already in progress. | exception | error | test-runner, concurrency, state, play-mode |
| Sketchfab failed (status= ) | exception | error | sketchfab, http-error, asset-gen, marketplace, network |
| GameObject ' ' does not have a ProBuilderMesh component. | validation | error | probuilder, component, missing-component, mesh, reflection |
| Unknown shape type ' '. Valid types | validation | error | probuilder, shape-type, enum, validation, create |
| fal failed (status= ) | exception | error | assetgen, fal, network, api, http, image |
| Multiple Unity instances are connected. Call… | exception | error | http, instance, ambiguity, selection, multi-project |
| git failed | exception | error | git, subprocess, tooling, mcp-source |
| Cannot deserialize Vector3 from | exception | error | serialization, vector3, json, deserialization, type-converter |
| ScreenCapture.CaptureScreenshotAsTexture returned null and… | exception | error | screenshot, capture, camera, rendering, runtime |
| Source path cannot be empty. | validation | error | package-deployment, validation, path |
| GitHub returned a truncated directory tree (incomplete… | exception | error | github, api, safety, limits |
| 'output_folder' must resolve under the project's Assets… | validation | error | assetgen, path, validation |
| Invalid UNITY_MCP_HTTP_PORT value | validation | error | cli, config, environment, validation |
| Failed to download | exception | error | network, nuget, roslyn, install |
| Ping unsuccessful | exception | error | ping, protocol, handshake, wrong-port |
| Package was not found | validation | error | csharp, unity, asset-store, validator, validation |
| Max width should be larger than 0 | validation | error | unity, asset-store-tools, preview, validation, texture |
| Screenshotter cannot be null | validation | error | unity, asset-store-tools, preview, validation, screenshot |
| Could not retrieve audio samples | exception | error | unity, asset-store-tools, preview, audio, asset-loading |
| Export paths array cannot be empty | validation | error | unity, asset-store-tools, validation, packaging, argument-validation |
| No version found in package.json | validation | error | release-tooling, version-management, json-validation, config |
| File download failed | exception | error | github, download, http |
| Connection closed before reading expected bytes | exception | error | connection, framed, eof, socket, domain-reload |
| Missing synced file | exception | error | filesystem, validation, windows |
| Package Exporting failed: provided export paths are empty… | validation | error | unity, asset-store-tools, validation, packaging, asset-database |
| Width must be larger than 0 | validation | error | unity, asset-store-tools, preview, validation, audio |
| HTTP transport requires command arguments | validation | error | transport, http, validation, api-misuse |
| Command parameters must be a dict for HTTP transport | validation | error | transport, http, type-guard, api-misuse |
| Invalid framed length | exception | error | framed, protocol, corruption, desync |
| Project name ' ' matches instances. Please use the full… | exception | error | instance, name, ambiguity, resolution |
| Source directory not found | exception | error | csharp, unity, filesystem, asset-store, validation |
| set-pixels requires 'color' or 'pixels' | validation | error | cli, validation, texture, input-validation |
| Unknown or unsupported command type | validation | error | registry, tools, config |
| Input path cannot be null | validation | error | unity, asset-store-tools, preview, validation, asset-database |
| Could not find Packages/manifest.json from current… | exception | error | tooling, filesystem, unity-project, mcp-source |
| Repo URL is not a recognized GitHub repository URL | exception | error | github, config, url, validation |
| Assets folder not found | exception | error | build-script, release-tooling, path-validation, unity-project, filesystem |
| set-pixels requires width and height when pixels are… | validation | error | cli, validation, texture, input-validation |
| Folder must contain Editor and Runtime subfolders. | exception | error | package-deployment, validation, folder-structure |
| edgeIndices or edges parameter is required. | validation | error | probuilder, edges, missing-parameter, validation |
| The selected Claude CLI executable does not exist | exception | error | path-resolver, claude-cli, validation, config, filesystem |
| Could not connect to Unity | exception | critical | connection, port, bridge, discovery, deadline |
| Manifest template not found | exception | error | tooling, release, filesystem, mcpb |
| Face index out of range (0- ). | validation | error | probuilder, faces, index-out-of-range, validation, bounds-check |
| Failed to connect to Unity instance | exception | critical | connection, instance, port, bridge, stale-cache |
| set-pixels width and height must be positive | validation | error | cli, validation, texture, input-validation |
| must have 3 or 4 components, got | validation | error | python, cli, texture, color, validation, value-error |
| Cannot deserialize Vector2 from | exception | error | serialization, vector2, json, deserialization, type-converter |
| Source MCPForUnity folder not found | exception | error | build-script, release-tooling, path-validation, filesystem |
| Unknown model provider | validation | error | assetgen, provider, validation |
| MCPB file was not created | exception | error | tooling, release, mcpb, subprocess |
| Selected folder does not exist. | exception | error | package-deployment, validation, path, filesystem |
| File hash mismatch: ( != ) | exception | error | validation, hash, line-endings |
| Cannot deserialize Quaternion from | exception | error | serialization, quaternion, json, deserialization, type-converter, rotation |
| import_settings must be a JSON object | validation | error | cli, validation, texture, input-validation, import-settings, json |
| Unsafe zip entry rejected | exception | critical | assetgen, zip, security, path-traversal |
| Hash prefix ' ' is ambiguous ( ). Provide the full… | validation | error | validation, unity-instance, ambiguous |
| must be a list of colors | validation | error | python, cli, texture, palette, validation, value-error |
| unity_instance value must not be empty. | validation | error | validation, input, unity-instance |
| Failed to parse GitHub directory tree response. | exception | error | github, json, api, proxy |
| Height must be larger than 0 | validation | error | unity, asset-store-tools, preview, validation, audio |
| Install Dir is invalid and cannot be resolved | validation | error | config, path, filesystem |
| Invalid UNITY_MCP_TIMEOUT value | validation | error | cli, config, environment, validation |
| Install Dir contains invalid path characters | validation | error | config, validation, path |
| No Unity instance found on port | validation | error | validation, stdio, port, unity-instance |
| Edge index out of range (0- ). | validation | error | probuilder, edges, index-out-of-range, validation, bounds-check |
| Failed to resolve branch head commit SHA for | exception | error | github, branch, api, parse |
| GitHub request failed | exception | error | github, api, http, rate-limit |
| Max height should be larger than 0 | validation | error | unity, asset-store-tools, preview, validation, texture |
| Unity instance ' ' not found. Available instances: . Check… | exception | error | instance, not-found, resolution, stale-id |
| Instance ' ' not found. Available: . Read… | validation | error | validation, unity-instance, stale-session |
| Remote directory not found | exception | error | github, config, branch, missing |
| Unknown marketplace provider | validation | error | assetgen, provider, validation, marketplace |
| Failed to parse float at index | validation | error | json, validation, scene |
| Connection closed before receiving data | exception | error | connection, legacy, eof, socket |
| No running Unity instance matches | validation | error | validation, unity-instance, not-found |
| Install Dir resolved to an empty path. | validation | error | config, path, edge-case |
| zipPath required | validation | error | assetgen, zip, validation, argument |
| Unknown image provider | validation | error | assetgen, provider, validation |
| Port must be positive. | exception | error | port, network, validation, argument |
| No Unity Editor instances found. Please ensure Unity is… | exception | critical | discovery, instance, bridge, not-running |
| Unknown audio provider | validation | error | assetgen, provider, validation, audio |
| Cannot deserialize Vector4 from | exception | error | serialization, vector4, json, deserialization, type-converter |
| Hash ' ' matches multiple instances | exception | error | instance, hash, ambiguity, resolution |
| Icon not found | exception | error | tooling, release, filesystem, mcpb |
| Install Dir is empty. | validation | error | config, validation, path |