package manager error

hi guys! I wanted to install probuilder and shader graph in package manager but unity gives me these error>>
Error searching packages online.
UnityEditor.EditorApplication:Internal_CallUpdateFunctions() (at C:/buildslave/unity/build/Editor/Mono/EditorApplication.cs:303) so how can I solve this problem? thanks

Hi there,

Could you share more information on your issue?
For instance:
Which version of Unity are you using? What’s the stack track of your error? Have you tried reopening Unity does it fix the issue?

You can also file a bug with us: Unity QA: Building quality with passion

Best,
Ethan

hi ,
I’m using unity 2019.2.13f1 and reopening the unity won’t solve the issue ,I’m new to unity .

Error searching packages online.
UnityEditor.EditorApplication:Internal_CallUpdateFunctions() (at C:/buildslave/unity/build/Editor/Mono/EditorApplication.cs:303)

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