Hi, i try to install LAMP in AAPanel but nothing installed. Then i try to install it one by one and get this error log;

sort: cannot read: ping.pl: No such file or directory
--2022-06-30 09:23:24-- https://node.aapanel.com/install/3/nginx.sh
Resolving node.aapanel.com (node.aapanel.com)... 172.67.171.7, 104.21.79.196, 2606:4700:3031::6815:4fc4, ...
Connecting to node.aapanel.com (node.aapanel.com)|172.67.171.7|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 19555 (19K) [application/octet-stream]
Saving to: 'nginx.sh'

 0K .......... .........                                  100% 14.1M=0.001s

2022-06-30 09:23:24 (14.1 MB/s) - 'nginx.sh' saved [19555/19555]

--2022-06-30 09:23:24-- http://download.bt.cn/install/public.sh
Resolving download.bt.cn (download.bt.cn)... 38.34.185.130, 240e:a5:4200:89::256
Connecting to download.bt.cn (download.bt.cn)|38.34.185.130|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 4267 (4.2K) [application/octet-stream]
Saving to: '/www/server/panel/install/public.sh'

 0K ....                                                  100% 7.02M=0.001s

2022-06-30 09:23:24 (7.02 MB/s) - '/www/server/panel/install/public.sh' saved [4267/4267]

/www/server/panel/install/public.sh: line 63: 1.16424e+10-1.16424e+10: syntax error: invalid arithmetic operator (error token is ".16424e+10-1.16424e+10")
/www/server/panel/install/public.sh: line 63: 1.16424e+10-1.16424e+10: syntax error: invalid arithmetic operator (error token is ".16424e+10-1.16424e+10")
|-Successify ---Script execution completed---

I don't know what's wrong. I've installed in some cloud vm before, but never face this problem.
All of VMs are installed with clean ubuntu 20.04.