Libreoffice menu icons not displaying properly

I have just installed KDE Neon 5.21 with LibreOffice and when i tried to open any application related to LibreOffice, the icons won’t show correctly. Not even when i apply the Microsoft Office 2013 theme.

Libre Office Writter

Libre Office Impress

I had Ubuntu 20.04 and this never occurred to me.I don’t want to use Microsoft Office again. So please help me