Errors regarding TextMeshPro, Analytics and Advertisement packages thrown in the console on importing packages from package manager or upgrading a project to Unity, Also errors in dll file of TextMeshPro and Analytics on creating a new project

Steps to Reproduce:
1. Upgrade a Project in current version
or
1. Window > Package Manager > Install any package (Eg LWRP, ProBuilder)

Actual Result:
Errors in the console about TextMeshPro, Analytics and Advertisement packages on importing packages from package manager or upgrading a project.

Expected Result:
Package are imported successfully without any errors

Reproducible on:
2019.2.0a6 (5612105fae18) , 2019.2.0a5 (dae745cea1fd)

Works on:
2019.2.0a4, 2019.1.0b3

Environment:
Only on MacOS

Note:
On Upgrading project, a "Package Manager Error" occurred. Refer attached screenshot

Error Details with a new Empty project
1.
Assembly 'Library/ScriptAssemblies/Unity.TextMeshPro.Editor.dll' will not be loaded due to errors:
Unable to resolve reference 'UnityEditor.UI'. Is the assembly missing or incompatible with the current platform?
Unable to resolve reference 'UnityEngine.UI'. Is the assembly missing or incompatible with the current platform?

2.
Assembly 'Library/ScriptAssemblies/Unity.Analytics.DataPrivacy.dll' will not be loaded due to errors:
Unable to resolve reference 'UnityEngine.UI'. Is the assembly missing or incompatible with the current platform?

Error Details After Loading/Upgrading a project

1.
/Users/macmini2a/Downloads/[TestCase]Shadows/Library/PackageCache/com.unity.analytics@3.2.2/DataPrivacy/DataPrivacyButton.cs(3,19): error CS0234: The type or namespace name `UI' does not exist in the namespace `UnityEngine'. Are you missing an assembly reference?

2.
/Users/macmini2a/Downloads/[TestCase]Shadows/Library/PackageCache/com.unity.textmeshpro@1.3.0/Scripts/Runtime/TextContainer.cs(2,19): error CS0234: The type or namespace name `EventSystems' does not exist in the namespace `UnityEngine'. Are you missing an assembly reference?