WordPress Update fails

[0xFEEDC0DE64]

Update WordPress

Warning: Undefined array key 1 in <htdocs>/wp-content/pg4wp/driver_pgsql.php on line 551

Warning: pg_query(): Query failed: FEHLER: ungültige Namenssyntax LINE 4: WHERE i.indrelid = ''::regclass ^ in <htdocs>/wp-content/pg4wp/driver_pgsql.php on line 478

Warning: Trying to access array offset on false in <htdocs>/wp-content/pg4wp/driver_pgsql.php on line 557
WordPress database error: [FEHLER: ungültige Namenssyntax LINE 4: WHERE i.indrelid = ''::regclass ^]
INSERT IGNORE INTO `wp_options` ( `option_name`, `option_value`, `autoload` ) VALUES ('core_updater.lock', '1712844582', 'no') /* LOCK */


Warning: Undefined array key 1 in <htdocs>/wp-content/pg4wp/driver_pgsql.php on line 551

Warning: pg_query(): Query failed: FEHLER: ungültige Namenssyntax LINE 4: WHERE i.indrelid = ''::regclass ^ in <htdocs>/wp-content/pg4wp/driver_pgsql.php on line 478

Warning: Undefined array key "" in <htdocs>/wp-content/pg4wp/driver_pgsql.php on line 557
WordPress database error: [FEHLER: ungültige Namenssyntax LINE 4: WHERE i.indrelid = ''::regclass ^]
INSERT IGNORE INTO `wp_options` ( `option_name`, `option_value`, `autoload` ) VALUES ('core_updater.lock', '1712844582', 'no') /* LOCK */

Another update is currently in progress.

there is no pg4wp_errors.log being written