SourceTree version: 3.3.8

Windows version: windows 10 Home - 18363.720

Sourcetree is setting a config in C:\Users\<name>\.gitconfig which looks like

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[credential "helperselector"]
         selected = manager

This is causing problem with git version 2.26.2 by giving warning and in github desktop unable to push by giving error 

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warning: url has no scheme: helperselector
fatal: credential url cannot be parsed: helperselector

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