multica-ai/multica · error

execenv: create directory %s: %w

Error message

execenv: create directory %s: %w

What it means

Error "execenv: create directory %s: %w" thrown in multica-ai/multica.

Source

Thrown at server/internal/daemon/execenv/execenv.go:370

		if err := os.RemoveAll(envRoot); err != nil {
			return nil, fmt.Errorf("execenv: remove existing env: %w", err)
		}
	}

	// Create directory tree. For the standard flow the agent's workdir is
	// envRoot/workdir; for local_directory tasks the user's path takes its
	// place and we only need to create the scratch directories under
	// envRoot.
	workDir := filepath.Join(envRoot, "workdir")
	scratchDirs := []string{filepath.Join(envRoot, "output"), filepath.Join(envRoot, "logs")}
	if params.LocalWorkDir == "" && params.LocalWorktree == nil {
		scratchDirs = append(scratchDirs, workDir)
	} else if params.LocalWorkDir != "" {
		workDir = params.LocalWorkDir
	}
	for _, dir := range scratchDirs {
		if err := os.MkdirAll(dir, 0o755); err != nil {
			return nil, fmt.Errorf("execenv: create directory %s: %w", dir, err)
		}
	}
	multicaConfigRoot := filepath.Join(envRoot, "multica-config")
	if err := os.MkdirAll(multicaConfigRoot, 0o700); err != nil {
		return nil, fmt.Errorf("execenv: create task-local Multica config directory: %w", err)
	}
	if err := os.Chmod(multicaConfigRoot, 0o700); err != nil {
		return nil, fmt.Errorf("execenv: restrict task-local Multica config directory: %w", err)
	}

	// Worktree mode: build the task's own checkout of the user's repo inside
	// envRoot and use it as the workdir. Done before any context file is
	// written so the sidecars land inside the disposable worktree instead of
	// the user's directory.
	var localWorktree *LocalWorktree
	// Tracks whether Prepare reached its successful return. Everything after
	// worktree creation can still fail — context files, provider homes, MCP
	// config — and on those paths the caller never receives an Environment, so

View on GitHub (pinned to 2c0912b6ec)

Solutions

1. Check disk space and permissions for the environment directory.

When it happens

Trigger: Thrown at server/internal/daemon/execenv/execenv.go:370 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of multica-ai/multica@2c0912b6ec (2026-08-15). Data as JSON: /api/errors/4243cf7d75755e7a. Report an issue: GitHub.