After deployment I have been seeing an error and I cannot undeploy and deploy again to avoid it. I don’t know if it’s because of it but I was able to deploy it once, and able to install modules. It was the only thing that I could do, but I think that is the only thing one can do after deploying, and with modules one can then do more right? Anyway, after deploying, I installed a lot of modules from the reference-addons-2.10.0 until one eventually crashed the server showing a 500 error in red on the top right corner (do not remember exactly the error). Afterwards I tried to log out and back in, or undeploy and deploy again but with no success. The war file I downloaded is the Platform 2.3.1 WAR (for Enterprise) from the main page and the add ons are the Reference Application 2.10.0 Addons.
This is the error I have been seeing: https://pastebin.pl/view/2e6b8d69
Thank you in advance!