Trying to get property of non-object

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I’m getting the following entry in debug.log

PHP Notice: Trying to get property of non-object in /plugins/wp-seopress/inc/functions/options-redirections.php on line 18

Line 18 is the 1st line in this function:

function seopress_redirections_term_enabled() {
	$_seopress_redirections_enabled = get_term_meta(get_queried_object()->{'term_id'},'_seopress_redirections_enabled',true);
	if ($_seopress_redirections_enabled != '') {
		return $_seopress_redirections_enabled;
	}
}

Actually, I don’t have any _seopress_redirections_enabled keys in wp_postmeta. Otherwise, I don’t know what might be wrong. Please advise.
Thanks.