I encountered this problem when pushing my code to Bitbucket. Seems like an old issue that was resolved but happened again. please look into it thanks!
$ git push Counting objects: 18, done. Delta compression using up to 2 threads. Compressing objects: 100% (17/17), done. Writing objects: 100% (18/18), 4.49 MiB | 5.32 MiB/s, done. Total 18 (delta 6), reused 0 (delta 0) remote: error: unable to create temporary file: No space left on device remote: fatal: failed to write object error: remote unpack failed: unpack-objects abnormal exit