Kong/insomnia · error

Merges with additions are not supported yet.

Error message

Merges with additions are not supported yet.

What it means

Error "Merges with additions are not supported yet." thrown in Kong/insomnia.

Source

Thrown at packages/insomnia/src/sync/git/git-vcs.ts:1924

    ) {
      this._baseOpts.fs.startCollectWriteAction(writeFileMap);
    }
    return git
      .merge({
        ...this._baseOpts,
        ours: oursBranch,
        theirs: theirsBranch,
        abortOnConflict: false,
      })
      .catch(async err => {
        if (err instanceof git.Errors.MergeConflictError) {
          return await this.collectMergeConflicts(err, oursBranch, theirsBranch, writeFileMap);
        }

        if (err instanceof git.Errors.MergeNotSupportedError) {
          const errorMessage = 'Merges with additions are not supported yet.';

          throw new Error(errorMessage);
        }

        throw err;
      })
      .finally(() => {
        if (
          'stopCollectWriteAction' in this._baseOpts.fs &&
          typeof this._baseOpts.fs.stopCollectWriteAction === 'function'
        ) {
          this._baseOpts.fs.stopCollectWriteAction();
        }
      });
  }

  async fetch({
    singleBranch,
    depth,
    credentialsId,

View on GitHub (pinned to d9bb2b0142)

When it happens

Trigger: Thrown at packages/insomnia/src/sync/git/git-vcs.ts:1924 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Kong/insomnia@d9bb2b0142 (2026-08-26). Data as JSON: /api/errors/a82288e7f6608966. Report an issue: GitHub.