Strange error after updating to 5.3.14

Hi,
after one of the updates on the cumulative update page I had a series of bugs. Do you have any suggestions regarding these errors?

—-

Notice: Trying to get property 'current' of non-object in /wp-admin/update-core.php on line 39

Notice: Trying to get property 'locale' of non-object in /wp-admin/update-core.php on line 39

Notice: Trying to get property 'locale' of non-object in /wp-admin/update-core.php on line 41

Notice: Trying to get property 'locale' of non-object in /wp-admin/update-core.php on line 43

Notice: Trying to get property 'response' of non-object in /wp-admin/update-core.php on line 60
Notice: Trying to get property 'current' of non-object in /wp-admin/update-core.php on line 142

Notice: Trying to get property 'locale' of non-object in /wp-admin/update-core.php on line 143
Notice: Trying to get property 'locale' of non-object in /wp-admin/update-core.php on line 152
Notice: Trying to get property 'locale' of non-object in /wp-admin/update-core.php on line 160

Notice: Trying to get property 'locale' of non-object in /wp-admin/update-core.php on line 160