【待反馈】phpmyadmin 登陆以后fatal error

php开始7.4，后来加了一个5.6，共存。

能打开登陆页面，输入密码以后fatal error，请高手赐教。

1. Fatal error: Uncaught Error: Class 'phpseclib\Crypt\Base' not found in /www/server/phpmyadmin/phpmyadmin_475c24a056ddec3d/vendor/phpseclib/phpseclib/phpseclib/Crypt/Rijndael.php:64 Stack trace: #0 /www/server/phpmyadmin/phpmyadmin_475c24a056ddec3d/vendor/composer/ClassLoader.php(444): include() #1 /www/server/phpmyadmin/phpmyadmin_475c24a056ddec3d/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile() #2 [internal function]: Composer\Autoload\ClassLoader->loadClass() #3 /www/server/phpmyadmin/phpmyadmin_475c24a056ddec3d/vendor/phpseclib/phpseclib/phpseclib/Crypt/AES.php(59): spl_autoload_call() #4 /www/server/phpmyadmin/phpmyadmin_475c24a056ddec3d/vendor/composer/ClassLoader.php(444): include('/www/server/php...') #5 /www/server/phpmyadmin/phpmyadmin_475c24a056ddec3d/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile() #6 [internal function]: Composer\Autoload\ClassLoader->loadClass() #7 /www/server/phpmyadmin/phpmyadmin_475c24a056ddec3d/libraries/classes/Plugins/Auth/AuthenticationCookie.p in /www/server/phpmyadmin/phpmyadmin_475c24a056ddec3d/vendor/phpseclib/phpseclib/phpseclib/Crypt/Rijndael.php on line 64

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您好，你phpmyadmin是什么版本，phpmyadmin设置的内PHP版本使用的是什么版本。

因为有问题 所以我升级了 一下php小版本号 和面板 现在版本如下

卸载phpmyadmin以后已经正常，wordpress不能出现编辑框，上面错误
Warning: Creating default object from empty value in /www/wwwroot/某某网址/wp-admin/includes/post.php on line 732