why nginx can't be installed

I have installed nginx..it says successful but nginx is not installed

Hello, please check the installation log to see what went wrong. Log file /tmp/panelExec.log

Hello, please install nginx again after installing mysql. Can the installation be successful? If unsuccessful please check and install again

aaPanel_Kern
I am temporarily installing MySQL
I will provide information if MySQL is finished installing

I've been waiting for hours to install MySQL but it still won't install.

mysql 9 can't be installed, but mysql 8 can

nginx can be installed on version 1.24...version 1.26 cannot

It is recommended that you check the installation log to see what caused the problem.