Sophos JIRA Cloud: Internal error: Unexpected response received. Status code: 401. Check server logs

[martin.pantaleon]

git -c diff.mnemonicprefix=false -c core.quotepath=false --no-optional-locks push -v --tags origin feature/SCAFHELP-3202:feature/SCAFHELP-3202
Pushing to ssh://itstash.sophos.net:7999/mule/prc-msp-usage.git
remote: Rejected by YACC
remote:
remote: An error has occurred with the commits you are trying to push.
remote:
remote: refs/heads/feature/SCAFHELP-3202: d6371117df1: Sophos JIRA Cloud: Internal error: Unexpected response received. Status code: 401. Check server logs for details.
remote:
remote: See SCAFHELP Jira board for assistance with any push error.
remote:
remote:

To ssh://itstash.sophos.net:7999/mule/prc-msp-usage.git
! [remote rejected] feature/SCAFHELP-3202 -> feature/SCAFHELP-3202 (pre-receive hook declined)
error: failed to push some refs to 'ssh://itstash.sophos.net:7999/mule/prc-msp-usage.git'

Completed with errors, see above.

[Mark Chester]

Did you find any answer for this?  We are having a similar issue with our Bitbucket, and I am unable to find any cause or fix.