multica-ai/multica · error

write on_conflict field: %w

Error message

write on_conflict field: %w

What it means

Error "write on_conflict field: %w" thrown in multica-ai/multica.

Source

Thrown at server/internal/cli/client.go:630

}

// ImportSkillFile imports a skill from a local archive (.skill / .zip) by
// POSTing it as multipart/form-data to /api/skills/import, alongside the
// on_conflict strategy. The structured import result is decoded into out.
func (c *APIClient) ImportSkillFile(ctx context.Context, fileData []byte, filename, onConflict string, out any) error {
	var body bytes.Buffer
	writer := multipart.NewWriter(&body)

	part, err := writer.CreateFormFile("file", filepath.Base(filename))
	if err != nil {
		return fmt.Errorf("create form file: %w", err)
	}
	if _, err := part.Write(fileData); err != nil {
		return fmt.Errorf("write file data: %w", err)
	}
	if onConflict != "" {
		if err := writer.WriteField("on_conflict", onConflict); err != nil {
			return fmt.Errorf("write on_conflict field: %w", err)
		}
	}
	if err := writer.Close(); err != nil {
		return fmt.Errorf("close multipart writer: %w", err)
	}

	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.BaseURL+"/api/skills/import", &body)
	if err != nil {
		return err
	}
	req.Header.Set("Content-Type", writer.FormDataContentType())
	c.setHeaders(req)

	// Respect a longer context deadline for slow uploads, mirroring
	// UploadFileWithURL: the default client timeout would otherwise shadow it.
	httpClient := c.HTTPClient
	if deadline, ok := ctx.Deadline(); ok {
		remaining := time.Until(deadline)

View on GitHub (pinned to 2c0912b6ec)

Solutions

1. Retry the import; the multipart request could not be completed.

When it happens

Trigger: Thrown at server/internal/cli/client.go:630 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/e882b40119365b6a. Report an issue: GitHub.