My kivy project keeps crashing on my computer - crash

I am unable to test my kivy in python
I was expecting the app to work just fine
but i it is not running wasting my valuable time and i am not able to code if anybody has an answer please let me know thank you.

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Pycharm OpenCV Can't Access Camera

My built-in camera suddenly couldn't be accessed after I installed and executed opencv code on pycharm. I had reseted and deleted pycharm but it was not worked. In device manage i can't find camera drive(but sometime i find it and my camera work properly). I have Matlab on my laptop too I think maybe there are some conflict between apps. Hope someone can help me, thank you guys.

My app closes right when I launch and I do not know why

I created an app with buildozer android, and it built successfully but when I try to run it on my phone, it crashes. I tried doing a logcat, but I have no idea when to stop it or how to know what is going on. Please read through the logcat or ask any questions that may help you figure out what the error is. The package name is gh41app1, and the name is GH41Beta. Thank you in advance.
https://drive.google.com/file/d/1Rao5yRGi1o7ne6k_9e5UWfrjsFm0rGx0/view?usp=sharing

Appium: KeepAliveFailure on Android

Here is my problem: https://github.com/appium/appium/issues/10704
They closed it, but I can't really find a solution for this. Been fighting with this for a bout 2 days.
Thanks
Android Appium KeepAliveFailure occurs for me when device gets reset or restarted or system app crashes.
Suggestion is take logcat logs and see what went wrong during the error. Analyse the RAM usage in the device.

CodenameOne: How to fix this Nullpointer exception when launching the simulator?

I ran into this error this morning when I tried to run a new App in the simulator and I have not clue why. There is no stacktrace or anything like that, the picture is the only output there is.
I am not doing anything special, I only followed the tutorial on how to access Webservices and that happened when I tried to launch it for the first time.
I came to the solution, that it was my eclipse having trouble to start the app besides a running spring rest application, that I set up for testing purpose.
Maybe the two plugins don't like each other.

App does not run on device anymore... freaking out

out of nowhere I started getting the following error when I tried to run: Xcode, Duplicate symbol _main
So I read on another post that the solution was to remove the items from targets -> compile sources
Now it will run on the simulator only. It first starts to load on the build bar but once it gets to about 10%, it stops and stays like that for 20 seconds and then say build Succeeded (no errors) but won't ever launch onto my iOS device. Been trying to figure out whats going on for the last 2 hours. Can someone please help me?
Thank you so much
If it runs on the simulator then it doesn't seem to be a problem with the code.
Although I've never encountered this particular error, a lot of XCode's problems can be solved by disconnecting the device, deleting the app on the device, restarting the device.