Error 500 and git push error

We are getting 500 Error when visiting the commit page https://bitbucket.org/<ourteam>/<our-repo>/commits/branch/master – with the message: Something went wrong. You can contact support or create a public issue if the problem persists. When contacting support, please provide the code below: 3482fc01466e44eda07f759facf86daa”
when exec "git push" we get:
Total 42 (delta 31), reused 1 (delta 1)
remote: fatal: unresolved deltas left after unpacking
when exec "git pull" against a branch, we get :
remote: error: refs/heads/Iteration-82 does not point to a valid object!
remote: error: refs/heads/elsreporting does not point to a valid object!
remote: Counting objects: 398, done.
remote: Compressing objects: 100% (142/142), done.
remote: Total 164 (delta 108), reused 0 (delta 0)
Receiving objects: 100% (164/164), 14.67 KiB, done.