Eu não tive problemas desde 2 semanas, mas de repente estou recebendo esse erro agora

murta@DESKTOP-Q8IFK52 MINGW64 ~/Code_Dump/homunculi (haji13)
$ git pull origin develop
fatal: FileNotFoundException encountered.
Could not load file or assembly 'System.Net.Http, Version=4.0.0.0, 
Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its 
dependencies. The system cannot find the file specified.
remote: Counting objects: 69, done.
remote: Compressing objects: 100% (56/56), done.
remote: Total 69 (delta 35), reused 32 (delta 10)
error: unable to create temporary file: Invalid argument
fatal: failed to write object
fatal: unpack-objects failed

eu também verifiquei meus ramos todos existem

murta@DESKTOP-Q8IFK52 MINGW64 ~/Code_Dump/homunculi (master)
$ git branch
develop
haji10
haji11
haji12
haji13
haji5
haji6
haji7
haji8
haji9
* master

tentei isso também

 git push --set-upstream origin haji13
 fatal: FileNotFoundException encountered.
 Could not load file or assembly 'System.Net.Http, Version=4.0.0.0, 
 Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its 
 dependencies. The system cannot find the file specified.
 Total 0 (delta 0), reused 0 (delta 0)
 remote:
 remote: Create pull request for haji13:
 remote:   https://bitbucket.org/murtazahaji/homunculi/pull-requests/new?
 source=haji13&t=1
 remote:
 To https://bitbucket.org/murtazahaji/homunculi.git
 * [new branch]      haji13 -> haji13
 Branch haji13 set up to track remote branch haji13 from origin

se alguém pudesse me ajudar seria ótimo