usebruno/bruno · error · Error

Invalid collectionformat: ${format}

Error message

Invalid collectionformat: ${format}

What it means

Error "Invalid collectionformat: ${format}" thrown in usebruno/bruno.

Source

Thrown at packages/bruno-electron/src/ipc/collection.js:302

        const {
          brunoConfig: parsedBrunoConfig,
          collectionRoot
        } = parseCollection(content, { format });

        brunoConfig = parsedBrunoConfig;
        brunoConfig.name = collectionName;

        const newContent = stringifyCollection(collectionRoot, brunoConfig, { format });
        await writeFile(path.join(dirPath, 'opencollection.yml'), newContent);
      } else if (format === 'bru') {
        const configFilePath = path.join(previousPath, 'bruno.json');
        const content = fs.readFileSync(configFilePath, 'utf8');
        brunoConfig = JSON.parse(content);
        brunoConfig.name = collectionName;
        const newContent = await stringifyJson(brunoConfig);
        await writeFile(path.join(dirPath, 'bruno.json'), newContent);
      } else {
        throw new Error(`Invalid collectionformat: ${format}`);
      }

      // Now copy all the files matching the collection's filetype along with the dir
      const files = searchForRequestFiles(previousPath);

      for (const sourceFilePath of files) {
        const relativePath = path.relative(previousPath, sourceFilePath);
        const newFilePath = path.join(dirPath, relativePath);

        // skip if the file is opencollection.yml or bruno.json at the root of the collection
        const isRootConfigFile = (path.basename(sourceFilePath) === 'opencollection.yml' || path.basename(sourceFilePath) === 'bruno.json')
          && path.dirname(sourceFilePath) === previousPath;

        if (isRootConfigFile) {
          continue;
        }

        // handle dir of files

View on GitHub (pinned to 9bdd81c7bd)

Solutions

1. Pass a valid collection format value supported by this Bruno version.

When it happens

Trigger: Thrown at packages/bruno-electron/src/ipc/collection.js:302 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of usebruno/bruno@9bdd81c7bd (2026-08-13). Data as JSON: /api/errors/132c2a5ff9273917. Report an issue: GitHub.