I assume that the issues are not the same but they are just similar. the first one is happen when navigating in front end for truely no exist page but the second issue happens in backend to an exist page.
any way let me follow up with the other topic and you can close this one.
Thank you again
I'm not a newbie, I'm a Joomla user since 2008, with advanced skills in managing it. I'm also a Linux system administrator. ^_^
The administrator has disabled public write access.
JoomDev is not affiliated with or endorsed by Open Source Matters or the Joomla! Project. The Joomla! logo is used under a limited license granted by Open Source Matters the trademark holder in the United States and other countries.