After import to my Unity 6 Vr project i got this looping issue. Its stuck to import a package from gitgub

CC Tools installation failed: Unable to add package [GitHub - soupday/cc_unity_tools_URP: Package for importing and auto setup of Character Creator (3 & 4) and iClone (7 & 8) character exports for Unity URP Pipeline. Note: Development of the CC/iC Unity Tools has moved to a single version for all pipelines:]:
No ‘git’ executable was found. Please install Git on your system then restart Unity and Unity Hub
UnityEngine.Debug:LogError (object)
Convai.Scripts.Editor.CustomPackage.CCToolsImporter:HandleInstallationFailure (UnityEditor.PackageManager.Requests.AddRequest) (at Assets/Convai/Scripts/Editor/CustomPackage/CCToolsImporter.cs:104)
Convai.Scripts.Editor.CustomPackage.CCToolsImporter:HandlePackageInstallation (UnityEditor.PackageManager.Requests.AddRequest) (at Assets/Convai/Scripts/Editor/CustomPackage/CCToolsImporter.cs:91)
Convai.Scripts.Editor.CustomPackage.CCToolsImporter/<>c__DisplayClass9_0:b__0 () (at Assets/Convai/Scripts/Editor/CustomPackage/CCToolsImporter.cs:64)
UnityEditor.EditorApplication:Internal_CallUpdateFunctions ()

Maximum retry attempts reached. CC Tools installation failed.
UnityEngine.Debug:LogError (object)
Convai.Scripts.Editor.CustomPackage.CCToolsImporter:HandleInstallationFailure (UnityEditor.PackageManager.Requests.AddRequest) (at Assets/Convai/Scripts/Editor/CustomPackage/CCToolsImporter.cs:117)
Convai.Scripts.Editor.CustomPackage.CCToolsImporter:HandlePackageInstallation (UnityEditor.PackageManager.Requests.AddRequest) (at Assets/Convai/Scripts/Editor/CustomPackage/CCToolsImporter.cs:91)
Convai.Scripts.Editor.CustomPackage.CCToolsImporter/<>c__DisplayClass9_0:b__0 () (at Assets/Convai/Scripts/Editor/CustomPackage/CCToolsImporter.cs:64)
UnityEditor.EditorApplication:Internal_CallUpdateFunctions ()

Hello @Necati_Tarim,

Welcome to the Convai Developer Forum!

As the error says,

No ‘git’ executable was found. Please install Git on your system then restart Unity and Unity Hub

Unity cannot find git, so it cannot install packages. You need to install git.