Cannot implement leaderboard on Unity - unity3d

https://github.com/playgameservices/play-games-plugin-for-unity
I'm trying to implement leaderboard for scores on my game. That package from git is imported on Unity 5.3 and when I copy-paste resources into the plugin setup dialog I got that errors message:
Plugin error: file not found: Assets/GooglePlayGames/Editor/template-Constants.txt
And this : Invalid classname: Object reference not set to an instance of an object
Can someone help me? :)
Thanks

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Unity Universal Render Pipelines Error CS0117

I am trying to make a Unity racing game using Universal Vehicle Controller from the asset store. The problem is that after importing this asset (which includes dependencies) I get this message in the console:
Library\PackageCache\com.unity.render-pipelines.universal#10.4.0\Editor\ShaderGraph\Targets\UniversalTarget.cs(191,37): error CS0117: 'Fields' does not contain a definition for 'AlphaClip'
That's pretty much it. I encountered this issue on Unity Version 2021.3.1f1/2f1/8f1 and on asset's version 1.3.121. Thanks!

Scorm 1.2 is not supported in Chamilo with Unity

I am a student trainee and my company wants to use chamilo to publish language courses using Scorm. Indeed, it uses Unity software to develop a course application.
I used the GitHub project Unity-SCORM-Integration-Kit to generate a zip file of a test project that I want to import on Chamilo.
I succeeded to publish this project with webGL on the LMS chamilo but it contains some errors.
first of all, it shows me below the application:
***Initialize *** SCORM 1.2 not currently supported
then, in the learner data section, when I insert the learner preferences fields, I get this error:
NullReferenceException: Object in the element inspector. (Filename: currently not available on il2cpp Line: -1)
The test project is present in this link: https://github.com/rstals/Unity-SCORM-Integration-Kit.
a demostration of this project is avalable in this link : https://www.youtube.com/watch?v=GydMMoBR1Ek&t=672s&ab_channel=TechnologyToolkit
I use Unity 2019.4.19f1
how to fix this problem ?
screeshot of the chamilo LMS
I thank you in advance for your answer.

Google Calendar API - No such module 'GoogleAPIClientForREST'

I'm trying to integrate the Google Calendar API on iOS. I've followed the iOS Quickstart. I've managed to get the objective-c version to run but I need to get it to work in Swift. I'm getting an error loading the module 'GoogleAPIClientForREST'
I'm using cocoapods as shown in the example. All looks to be loaded fine on the pod side, as you can see in the screenshot.
Has someone succeeded to run the google example in swift ?
THANKS!
Linking the library with the binary resolved the module not found error.
I then ran into another error "Value of type 'GTLRCalendarService' has no member 'authorizer'" in the signin method (Two instances of the error). Found a solution to this error here
Solved this by creating a bridging header where I included these lines
#import <GTMSessionFetcher/GTMSessionFetcher.h>
#import <GTMSessionFetcher/GTMSessionFetcherService.h>
Here's my Xcode project incase it can help someone.
Thanks

javascript error airconsole generator and unity

Hi I am making a game on unity with airconsole and when I try to import the airconsole controls github repo to my unity project I get a lot of javascript errors, so I can't use the controller generator and it hinders me, A LOT.
Thanks in advance, you would save my skin.
Your HTML, CSS and JavaScript files, as well as all additional resources your controller will need (images etc.), need to be in Assets/WebGLTemplates/AirConsole so Unity will not try to compile them into C# or UnityScript.
Your controller HTML file itself can be somewhere else in the project, the file within Assets/WebGLTemplates/AirConsole will be updated automatically to match it as long as it is linked in the AirConsole Object in your scene.
If you add the plugin including example scenes into an empty project, you will see a working folder structure.
Edit/Update: in case you are getting errors along the lines of The type or namespace name 'ILGenerator' could not be found (or the same but with DynamicMethod) please see details on Reddit or StackOverflow.
Essentially: you have to set API Compatibility level o 4.x in your Player Settings for your selected platform.

FlashDevelop iOS Export - Security error

when trying to load a local swf in my actionscript 3 project for iOS I get the following
error in the debugger:
[Fault] exception, information=SecurityError: Error #3207: Application-sandbox content cannot access this feature.
Im stuck, any advice?
Security.allowDomain("*");
gives me the same results.
Mirza
In the loader object, have you set a LoaderContext object on the load() function?