Reduce PHP Strict Standards Declaration ?

Too much error in log file

How can I reduce it ?

SugarCRM Enterprise, Version 7.5.2.0

apache2: PHP Strict Standards:  Declaration of UndeployedRelationships::findRelatableModules() should be compatible with AbstractRelationships::findRelatableModules($includeActivitiesSubmodules = true) in /var/www/sugarcrm_v2/htdocs/modules/ModuleBuilder/parsers/relationships/UndeployedRelationships.php line 20

apache2: PHP Strict Standards:  Declaration of UndeployedRelationships::build() should be compatible with AbstractRelationships::build($basepath, $installDefPrefix, $relationships) in /var/www/sugarcrm_v2/htdocs/modules/ModuleBuilder/parsers/relationships/UndeployedRelationships.php line 20

apache2: PHP Strict Standards:  Declaration of DeployedRelationships::findRelatableModules() should be compatible with AbstractRelationships::findRelatableModules($includeActivitiesSubmodules = true) in /var/www/sugarcrm_v2/htdocs/modules/ModuleBuilder/parsers/relationships/DeployedRelationships.php on line 21

apache2: PHP Strict Standards:  apache2: PHP Strict Standards:  Declaration of DeployedRelationships::build() should be compatible with AbstractRelationships::build($basepath, $installDefPrefix, $relationships) in /var/www/sugarcrm_v2/htdocs/modules/ModuleBuilder/parsers/relationships/DeployedRelationships.php on line 21

apache2: PHP Strict Standards:  Declaration of User::retrieve() should be compatible with Person::retrieve($id = -1, $encode = true, $deleted = true) in /var/www/sugarcrm_v2/htdocs/modules/Users/User.php on line 18

apache2: PHP Strict Standards:  Declaration of User::create_new_list_query() should be compatible with SugarBean::create_new_list_query($order_by, $where, $filter = Array, $params = Array, $show_deleted = 0, $join_type = '', $return_array = false, $parentbean = NULL, $singleSelect = false, $ifListForExport = false) in /var/www/sugarcrm_v2/htdocs/modules/Users/User.php on line 18

apache2: PHP Strict Standards:  Declaration of User::list_view_parse_additional_sections() should be compatible with SugarBean::list_view_parse_additional_sections(&$list_form) in /var/www/sugarcrm_v2/htdocs/modules/Users/User.php on line 18

apache2: PHP Strict Standards:  Declaration of InboundEmail::retrieve() should be compatible with SugarBean::retrieve($id = '-1', $encode = true, $deleted = true) in /var/www/sugarcrm_v2/htdocs/modules/OutboundEmailConfiguration/OutboundEmailConfigurationPeer.php on line 17

apache2: PHP Strict Standards:  Declaration of Currency::retrieve() should be compatible with SugarBean::retrieve($id = '-1', $encode = true, $deleted = true) in /var/www/sugarcrm_v2/htdocs/include/entryPoint.php on line 153

apache2: PHP Strict Standards:  Declaration of Currency::list_view_parse_additional_sections() should be compatible with SugarBean::list_view_parse_additional_sections(&$list_form) in /var/www/sugarcrm_v2/htdocs/include/entryPoint.php on line 153

apache2: PHP Strict Standards:  Non-static method UploadStream::register() should not be called statically in /var/www/sugarcrm_v2/htdocs/include/entryPoint.php on line 158

apache2: PHP Strict Standards:  Declaration of MysqlManager::checkQuery() should be compatible with DBManager::checkQuery($sql, $object_name = false) in /var/www/sugarcrm_v2/htdocs/include/database/MysqliManager.php on line 67

apache2: PHP Strict Standards:  Declaration of ACLVisibility::addSseVisibilityFilter() should be compatible with SugarVisibility::addSseVisibilityFilter(SugarSearchEngineInterface $engine, $filter) in /var/www/sugarcrm_v2/htdocs/include/utils/autoloader.php on line 333

apache2: PHP Strict Standards:  Declaration of SugarEmailAddress::save() should be compatible with SugarBean::save($check_notify = false) in /var/www/sugarcrm_v2/htdocs/include/utils/autoloader.php on line 333

apache2: PHP Strict Standards:  Declaration of RestService::generateETagHeader() should be compatible with ServiceBase::generateETagHeader() in /var/www/sugarcrm_v2/htdocs/include/api/RestService.php on line 22

apache2: PHP Strict Standards:  Non-static method SugarConfig::get() should not be called statically, assuming $this from incompatible context in /var/www/sugarcrm_v2/htdocs/include/api/RestRequest.php on line 332

PHP Strict Standards:  Declaration of LDAPAuthenticateUser::authenticateUser() should be compatible with SugarAuthenticateUser::authenticateUser($name, $password, $fallback = false) in /var/www/sugarcrm_v2/htdocs/modules/Users/authentication/LDAPAuthenticate/LDAPAuthenticateUser.php on line 24

PHP Strict Standards:  Declaration of LDAPAuthenticateUser::loadUserOnLogin() should be compatible with SugarAuthenticateUser::loadUserOnLogin($name, $password, $fallback = false, $PARAMS = Array) in /var/www/sugarcrm_v2/htdocs/modules/Users/authentication/LDAPAuthenticate/LDAPAuthenticateUser.php on line 24

apache2: PHP Strict Standards:  Declaration of Team::mark_deleted() should be compatible with SugarBean::mark_deleted($id) in /var/www/sugarcrm_v2/htdocs/include/utils/autoloader.php on line 369

apache2: PHP Strict Standards:  Declaration of Team::list_view_parse_additional_sections() should be compatible with SugarBean::list_view_parse_additional_sections(&$list_form) in /var/www/sugarcrm_v2/htdocs/include/utils/autoloader.php on line 369

apache2: PHP Strict Standards:  Declaration of TeamMembership::list_view_parse_additional_sections() should be compatible with SugarBean::list_view_parse_additional_sections(&$list_form) in /var/www/sugarcrm_v2/htdocs/modules/Teams/Team.php on line 14

apache2: PHP Strict Standards:  Declaration of ACLAction::save() should be compatible with SugarBean::save($check_notify = false) in /var/www/sugarcrm_v2/htdocs/include/utils/autoloader.php on line 369

apache2: PHP Strict Standards:  Declaration of ACLAction::toArray() should be compatible with SugarBean::toArray($dbOnly = false, $stringOnly = false, $upperKeys = false) in /var/www/sugarcrm_v2/htdocs/include/utils/autoloader.php on line 369

apache2: PHP Strict Standards:  Declaration of ACLField::hasAccess() should be compatible with ACLAction::hasAccess($is_owner = false, $access = 0) in /var/www/sugarcrm_v2/htdocs/modules/ACLFields/ACLField.php on line 20

apache2: PHP Strict Standards:  Declaration of M2MRelationship::addRow() should be compatible with SugarRelationship::addRow($row) in /var/www/sugarcrm_v2/htdocs/data/Relationships/M2MRelationship.php on line 19

apache2: PHP Strict Standards:  Declaration of Call::save_relationship_changes() should be compatible with SugarBean::save_relationship_changes($is_update, $exclude = Array) in /var/www/sugarcrm_v2/htdocs/include/utils/autoloader.php on line 369

apache2: PHP Strict Standards:  Non-static method UploadStream::register() should not be called statically in /var/www/sugarcrm_v2/htdocs/include/entryPoint.php on line 158

.....

Thanks,

M