宝塔面板切换PHP或相关操作出现SITE_PHPVERSION_ERR_A22错误的解决方法

如出现下述错误：

SITE_PHPVERSION_ERR_A22,Traceback (most recent call last): File "class/flask_sockets.py", line 30, in __call__ handler, values = adapter.match() File "/www/server/panel/pyenv/lib/python3.7/site-packages/werkzeug/routing.py", line 1945, in match raise NotFound() werkzeug.exceptions.NotFound: 404 Not Found: The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again. During handling of the above exception, another exception occurred: Traceback (most recent call last): File "class/panelSite.py", line 2878, in GetSitePHPVersion data['phpversion'] = public.get_site_php_version(siteName) AttributeError: module 'public' has no attribute 'get_site_php_version'

解决方法，在SSH输入：

rm -rf /www/server/panel/pyenv
curl http://download.bt.cn/install/update_panel.sh|bash