server

I have two servers installed traccar

1. server I create notifications and assign them to the user and in preference I choose so that the notifications are via the web and the alarm sounds on the screen, everything works successfully.
2. server I did everything the same to server one and notifications don't work,additional assign notifications to each allis device if it works.
   What did I do wrong between one and another server that installs traccar

You haven't really provided any information at all to be able to identify the problem.

this part I have done the screen test the difference is that I have to do an extra step for the notifications to arrive on the screen

reinstall the operating system and java and then traccar and apache it's fine as the server one