

trying to add 'ROSIntergration' plugin into Engine/Plugins folder,system requires restart my Unreal Engine(4.26) and got this error message, I tried many solutions but doesn't work.
solution I tried :
project is already a C++ project
add "Installed": true in the .uproject file
I am new to Unreal Engine and would appreciate it if someone could help answer my questions. Thankssss!!