SourceTree BitBucket repo authentication issues

[Nivash Mathuramuthu]

SourcTree returns the following error when I try to access any of our repo urls.

Output:
Error: warning: invalid credential line: 'get' was not matched. Did you mean '-h'?
Required command was not provided.
Unrecognized command or argument 'get'

Required command was not provided.
Unrecognized command or argument 'erase'

remote: Invalid credentials
fatal: Authentication failed for

'https://bitbucket.org/-----------/'

Command: hg identify extensions.hgext.hgsubversion=! https://bitbucket.org/--------/
Output:
Error: abort: HTTP Error 404: Not Found

Command: perl.exe "C:\Users\Enphase Energy\AppData\Local\SourceTree\app-3.4.16\tools\svn.pl" info https://bitbucket.org/------/
Output:
Error: System.ComponentModel.Win32Exception: The system cannot find the file specified

Can you tell me what went wrong here?