I've been using Octoprint on my Ender successfully, the problem is that sometimes when I boot it up and open the UI, it says I can't reach it.
What did you already try to solve it?
I've restarted the printer, the pi, refreshed the UI, and unplugged the pi from the printer, but its not working.
My Creality Ender 3 2018 is on version 1.1.6 (I tried to update it somehow, but it still works) and Octoprint is on its latest version.
The ender's sd card is a little buggy and the slots lever lock has to be manually pressed down to keep the sd card in place (The main reason why I wanted to add Octoprint). Just so you know I have successfully printed with Octoprint, it's just that sometimes it just doesn't want to connect. (My home internet's speed is fast, so that's not the issue either)
Would have been best if you did not delete the template for "get help" and filled it out with all the details.
You will get better help if you do that in the future.
For this issue, I would suggest that you turn on the serial.log and post a systeminfo bundle once you have had this issue happen again. It would be best if the logs included both good and bad results. It might be helpful if you had good then bad and then good since it must "fix" itself to some degree. Seeing what is happening in the logs is really the only way we can help directly. Your other option is to scour the forums for posts and solutions to issues that sound similar. There are many. So you might come across some things to try and learn from.