Error: Class "Drupal\Core\File\FileExists" not found in Drupal\fac\Controller\FacController->generateJson()

Problem/Motivation

Error: Class "Drupal\Core\File\FileExists" not found in Drupal\fac\Controller\FacController->generateJson()

Steps to reproduce

While searching in search field, Results are not displaying.
There is some error in logs.

Proposed resolution

Created a patch to fix this for Drupal 10.

Remaining tasks

User interface changes

API changes

Data model changes