@clickys
I cannot open your links
In the Image1 when i type the translated word in the menu , and i press Save it doesnt save work .
The image2 shows the settings of Greek language
@clickys
Please, try deactivate MegaMenu plugin and check
Plugins
Those are my active plugins
change theme to standard, e.g. 2016 and check
When iam changing theme its getting messed up . I can see both themes mixed up Messed up
Select your test menu as primary in Menu Settings section
Doesnt work It doesnt work again..
does it matter if i give other permisions to the WP folders of the theme ?