Sourcetree push and pull error report

problem description


the platform version of the problem and what methods you have tried

it should be that the latest version of sourcetree, cannot be pulled, and the push is also wrong.
look at some methods on the Internet, check the git version and so on, no problem.
I don"t know why something went wrong

related codes

/ / Please paste the code text below (do not replace the code with pictures)

what result do you expect? What is the error message actually seen?

Git
Jun.11,2021
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