[divinul]

"I installed FOSSBilling on a subdomain created and hosted on my server, which uses ISPConfig3 as the control panel. I also found a module on GitHub, 'https://github.com/FOSSBilling/ISPConfig-3,' which I implemented in FOSSBilling according to the instructions, and it is working perfectly. With its help, I was able to create packages, and the client successfully chose a package. My issue is the following: when I try to access https://mydomain.ro/admin and enter the credentials (administrator username and password), it takes a very long time to load the administration page. After it loads, the page runs very smoothly and quickly, but if I log out and try to log in again as an administrator, the same issue occurs — it loads very slowly."