Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/utils.php on line 445

Warning: Cannot modify header information - headers already sent by (output started at /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/utils.php:445) in /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-content/plugins/wordfence/lib/wordfenceClass.php on line 1339

Fatal error: Uncaught TypeError: json_decode(): Argument #1 ($json) must be of type string, array given in /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-content/plugins/wordfence/lib/wfConfig.php:545 Stack trace: #0 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-content/plugins/wordfence/lib/wfConfig.php(545): json_decode(Array, true) #1 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-content/plugins/wordfence/lib/wfUtils.php(1730): wfConfig::getJSON('lastError_prev_...', Array) #2 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-content/plugins/wordfence/lib/wfUtils.php(1615): wfUtils::check_and_log_last_error('geoip', 'GeoIP Error:') #3 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-content/plugins/wordfence/lib/wfActivityReport.php(448): wfUtils::IP2Country('195.20.18.175') #4 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-content/plugins/wordfence/lib/wordfenceClass.php(8794): wfActivityReport::logBlockedIP('195.20.18.175', NULL, 'waf') #5 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-includes/class-wp-hook.php(290): wordfence::syncAttackData() #6 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #7 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #8 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-settings.php(560): do_action('init') #9 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-config.php(37): require_once('/srv/users/spel...') #10 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-load.php(37): require_once('/srv/users/spel...') #11 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-blog-header.php(13): require_once('/srv/users/spel...') #12 /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/index.php(17): require('/srv/users/spel...') #13 {main} thrown in /srv/users/spelenmetonderwijs/apps/spelenmetonderwijs/public/wp-content/plugins/wordfence/lib/wfConfig.php on line 545