The WordPress admin bar is a tool that appears at the top of the screen when you are logged in to your WordPress site. If the admin bar is missing, it could be caused by a number of issues.
Here are some steps you can take to try to fix the missing admin bar issue:
Check your user role: Make sure that you have the correct user role to access the admin bar. The admin bar is usually only available to users with the administrator role or a role with similar capabilities.
Check your theme: If you are using a custom theme, it may be causing the admin bar to be hidden. Try switching to a default theme (such as Twenty Twenty) to see if the admin bar appears.
Check your plugins: If you have recently installed a new plugin or activated a plugin that you previously had deactivated, it is possible that the plugin is causing the admin bar to be hidden. Try deactivating all of your plugins and then reactivating them one by one to see if the admin bar appears.
Clear your browser cache: Sometimes, the admin bar may be hidden due to a caching issue in your browser. Try clearing your browser cache and then accessing your site again to see if the admin bar appears.
Check for a JavaScript error: If you are using a plugin or theme that includes JavaScript, it is possible that a JavaScript error is causing the admin bar to be hidden. You can try using a tool like the JavaScript console in your browser’s developer tools to check for any errors.
If none of these solutions work, you may need to seek further assistance from a WordPress developer or from the WordPress support forum.