Hello dear support I am using php 8.1 and on site when debug is enabled I see so many deprecated errors. If I disable debug and error reporting I still see several of them. Can yo ulookat that for me.
Thank you!
Here are the list of errors:
Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 792

Deprecated: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/libraries/vendor/maximebf/debugbar/src/DebugBar/JavascriptRenderer.php on line 808

ecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/templates/gk_university/html/layouts/chromes/gk_style.php on line 25

Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in ********/public_html/templates/gk_university/html/layouts/chromes/gk_style.php on line 93

Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in ********/public_html/templates/gk_university/html/layouts/chromes/gk_style.php on line 119

Deprecated: Function strftime() is deprecated in ********/public_html/modules/mod_news_pro_gk5/tmpl/portal_modes/events_list/controller.php on line 68

Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in ********/public_html/templates/gk_university/html/mod_custom/default.php on line 14

Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in ********/public_html/templates/gk_university/html/mod_custom/default.php on line 14

Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in ********/public_html/templates/gk_university/html/mod_custom/default.php on line 20

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/modules/mod_social_gk5/data_source/tmhOAuth/tmhOAuth.php on line 545

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in ********/public_html/modules/mod_social_gk5/data_source/tmhOAuth/tmhOAuth.php on line 545

Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in ********/public_html/templates/gk_university/html/mod_custom/default.php on line 14

Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in ********/public_html/templates/gk_university/html/mod_custom/default.php on line 20

Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in ********/public_html/templates/gk_university/html/mod_custom/default.php on line 20

Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in ********/public_html/templates/gk_university/html/mod_custom/default.php on line 14