Error log messages

I just noticed these messages in my error log, several of them every day since December:

[13-Apr-2023 02:50:19 UTC] WordPress database error Commands out of sync; you can’t run this command now for query SELECT option_value FROM tbhmt_options WHERE option_name = ‘_transient_bnfw-async-notifications’ LIMIT 1 made by shutdown_action_hook, do_action(‘shutdown’), WP_Hook->do_action, WP_Hook->apply_filters, BNFW->on_shutdown, get_transient, get_option

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