HTTP Request Exception Error on cloning the repository to Source Tree

[Amna Khan]

SourceTree shows following output on cloning:

git -c filter.lfs.smudge= -c filter.lfs.required=false -c diff.mnemonicprefix=false -c core.quotepath=false --no-optional-locks -c credential.helper= -c credential.helper="C:/Users/ADMINI~1/AppData/Local/ATLASS~1/SOURCE~1/GIT_EX~1/GIT-CR~1.EXE" clone --branch master https://amnakhan90@bitbucket.org/Taleemabad/taleemabad_unity.git C:\Users\Administrator\Documents\Taleemabad_9
Cloning into 'C:\Users\Administrator\Documents\Taleemabad_9'...
fatal: HttpRequestException encountered.
   An error occurred while sending the request.

[Amna Khan]

More on Error:

fatal: early EOF
fatal: The remote end hung up unexpectedly
fatal: index-pack failederror: RPC failed; curl 18 transfer closed with outstanding read data remaining
Completed with errors, see above