This callback should hvae error as it's first argument, more than that it should have error handling for that error like showing a message on page that something went wrong. so in case of an error the user can know what happend and why the app is not working
This callback should hvae error as it's first argument, more than that it should have error handling for that error like showing a message on page that something went wrong. so in case of an error the user can know what happend and why the app is not working