sudo apt install pgadmin4
Reading package lists… Done
Building dependency tree… Done
Reading state information… Done
Package pgadmin4 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package ‘pgadmin4’ has no installation candidate

i have done everything but idk why its not working

I have tried different steps that was present on the forums and this website but none of them was working.