Error message

• Deprecated function: Return type of DateObject::__wakeup() should either be compatible with DateTime::__wakeup(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include_once() (line 143 of sites/all/modules/date/date_api/date_api.module).
• Deprecated function: Return type of DateObject::format($format, $force = false) should either be compatible with DateTime::format(string $format): string, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include_once() (line 143 of sites/all/modules/date/date_api/date_api.module).
• Deprecated function: Return type of DateObject::setTimezone($tz, $force = false) should either be compatible with DateTime::setTimezone(DateTimeZone $timezone): DateTime, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include_once() (line 143 of sites/all/modules/date/date_api/date_api.module).
• Warning: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2079 of sites/all/modules/webform/webform.module).
• Warning: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2079 of sites/all/modules/webform/webform.module).
• Warning: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2079 of sites/all/modules/webform/webform.module).
• Warning: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2079 of sites/all/modules/webform/webform.module).
• Warning: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2079 of sites/all/modules/webform/webform.module).
• Warning: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2079 of sites/all/modules/webform/webform.module).
• Warning: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2079 of sites/all/modules/webform/webform.module).