Hello @ISAC,
I installed the application recently, and I have not been problem.
Could you explain your process ?
Which Php do you use, it's recommended to use php 7.3 but it must work on 7.x
The installation on Windows or Linux ?
Your conf files is on 777 and Work ?
For your help you can look this : https://www.clicshopping.org/forum/blogs/entry/4-clicshopping-installation-process/
tk