What causes "deltachat set account config: %w" in sipeed/picoclaw?

Check RPC server liveness (get_system_info) and its stderr logs

deltachat set account config: %w

Error message

deltachat set account config: %w

What it means

configureAccount's batch_set_config writing the managed settings (addr, mail_server/mail_port, send_server/send_port, mail_pw from accountConfigMap) failed at the transport level, before any credential validation happened.

Source

Thrown at pkg/channels/deltachat/deltachat.go:1156

	if len(cfgMap) == 0 {
		return nil
	}
	if _, err := c.rpc.call(ctx, "batch_set_config", accountID, cfgMap); err != nil {
		return fmt.Errorf("deltachat set profile config: %w", err)
	}
	return nil
}

// configureAccount writes the managed account settings and runs the (network-bound)
// provider auto-configuration.
func (c *DeltaChatChannel) configureAccount(ctx context.Context, accountID int64) error {
	if c.config.Password.String() == "" {
		return c.passwordRequiredError("account is not configured")
	}

	cfgMap := accountConfigMap(c.config)
	if _, err := c.rpc.call(ctx, "batch_set_config", accountID, cfgMap); err != nil {
		return fmt.Errorf("deltachat set account config: %w", err)
	}

	logger.InfoCF("deltachat", "Configuring account (validating credentials)", map[string]any{
		"email": c.config.Email,
	})
	confCtx, cancel := context.WithTimeout(ctx, configureTimeout)
	defer cancel()
	if _, err := c.rpc.call(confCtx, "configure", accountID); err != nil {
		return fmt.Errorf("deltachat configure (check email/password/server): %w", err)
	}
	return nil
}

func (c *DeltaChatChannel) accountConfigChanged(ctx context.Context, accountID int64) (bool, error) {
	want := accountConfigMap(c.config)
	for _, key := range managedAccountConfigKeys {
		raw, err := c.rpc.call(ctx, "get_config", accountID, key)
		if err != nil {

View on GitHub (pinned to 49183d7e8d)

Solutions

Check RPC server liveness (get_system_info) and its stderr logs
Verify data_dir is writable and not full
Restart PicoClaw to respawn the server and retry configuration

Defensive patterns

Strategy: try-catch

Try / catch

if _, err := c.rpc.call(ctx, "batch_set_config", accountID, cfgMap); err != nil {
    if strings.Contains(err.Error(), "rpc closed") {
        // respawn server, then restart ensureAccount from listAccounts
    }
    return fmt.Errorf("deltachat set account config: %w", err)
}

Prevention

Keep data_dir writable and monitored for space
Restart the whole channel on transport-level batch_set_config failures rather than retrying one key

When it happens

Trigger: c.rpc.call(ctx, "batch_set_config", accountID, cfgMap) returns an error: dead/closed RPC connection, canceled context, or a server-side JSON-RPC error.

Common situations: deltachat-rpc-server crashed between account discovery and configuration; data_dir became unwritable; shutdown race.

Related errors

AI-assisted analysis of sipeed/picoclaw@49183d7e8d (2026-08-15). Data as JSON: /api/errors/2d487e92db60066d. Report an issue: GitHub.