Fatal error: Uncaught Error: Cannot use object of type WP_Error as array in /home/xs796245/xs796245.xsrv.jp/public_html/wp-content/plugins/tailpress/src/CssCache.php:55
Stack trace:
#0 /home/xs796245/xs796245.xsrv.jp/public_html/wp-content/plugins/tailpress/src/Cache.php(89): FreshBrewedWeb\Tailpress\CssCache->save()
#1 /home/xs796245/xs796245.xsrv.jp/public_html/wp-content/plugins/tailpress/src/Plugin.php(55): FreshBrewedWeb\Tailpress\Cache->run('<!DOCTYPE html>...')
#2 [internal function]: FreshBrewedWeb\Tailpress\Plugin->FreshBrewedWeb\Tailpress\{closure}('<!DOCTYPE html>...', 9)
#3 /home/xs796245/xs796245.xsrv.jp/public_html/wp-includes/functions.php(5481): ob_end_flush()
#4 /home/xs796245/xs796245.xsrv.jp/public_html/wp-includes/class-wp-hook.php(341): wp_ob_end_flush_all('')
#5 /home/xs796245/xs796245.xsrv.jp/public_html/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array)
#6 /home/xs796245/xs796245.xsrv.jp/public_html/wp-includes/plugin.php(522): WP_Hook->do_action(Array)
#7 /home/xs796245/xs7962 in /home/xs796245/xs796245.xsrv.jp/public_html/wp-content/plugins/tailpress/src/CssCache.php on line 55
