Locked in the crash recovery mode

When I try to save any document in Writer its locked in the recovery mode. not able to save any work.
URL for the scenario is as given below,

Libre Writer Locked in Crash mode Link

My Operating System is KUbuntu 17.10 and LibreOffice Version is

Version: Build ID: 1:5.4.4-0ubuntu0.17.10.1

Looks like a bug, if the same issue, please confirm report at https://bugs.documentfoundation.org/show_bug.cgi?id=115739 and follow.