Thanks! Got it....On hostinger you have to set the subdomain folder to a folder named "public" within the subdomains folder. so if subdomain folder is "app" then it need to be specified to *app/public* rather than just *app* when adding the subdomain. But the actual CRM files still extract within the *app* folder. That was all it neededThe installation process for this software is a little different from the traditional one, I have a video about it, but the audio is in Portuguese, if you want to take a look, this is the link:
Or analyze the DEV documentation, as it talks in detail about this process, in which you assign the Root of the domain to the public folder, but allocate the files one folder before the public folder pointed to by the Root of the domain or subdomain.