checks.php output

PHP Warning:  Undefined property: stdClass::$release in /var/www/html/moodle/lib/classes/check/environment/environment.php on line 70

Warning: Undefined property: stdClass::$release in /var/www/html/moodle/lib/classes/check/environment/environment.php on line 70
PHP Deprecated:  trim(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/lib/environmentlib.php on line 243

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/lib/environmentlib.php on line 243
PHP Warning:  Undefined property: stdClass::$version in /var/www/html/moodle/lib/classes/check/environment/upgradecheck.php on line 72

Warning: Undefined property: stdClass::$version in /var/www/html/moodle/lib/classes/check/environment/upgradecheck.php on line 72
Default exception handler: Table "config" does not exist Debug:
Error code: ddltablenotexist
* line 673 of /lib/dml/moodle_database.php: dml_exception thrown
* line 1711 of /lib/dml/moodle_database.php: call to moodle_database->where_clause()
* line 8242 of /lib/moodlelib.php: call to moodle_database->get_field()
* line 75 of /lib/classes/check/environment/upgradecheck.php: call to moodle_needs_upgrading()
* line 113 of /admin/cli/checks.php: call to core\check\environment\upgradecheck->get_result()

!!! Table "config" does not exist !!!
!!
Error code: ddltablenotexist !!
!! Stack trace: * line 673 of /lib/dml/moodle_database.php: dml_exception thrown
* line 1711 of /lib/dml/moodle_database.php: call to moodle_database->where_clause()
* line 8242 of /lib/moodlelib.php: call to moodle_database->get_field()
* line 75 of /lib/classes/check/environment/upgradecheck.php: call to moodle_needs_upgrading()
* line 113 of /admin/cli/checks.php: call to core\check\environment\upgradecheck->get_result()
 !!