ESP-BUIMET-003 error when playing Fortnite on PC

This error tends to be related to connection issues.

To resolve this, we suggest deleting the BuildInfo.ini file by following these steps:

From your desktop, click the hidden icons carrot in the lower right corner of the screen
Right-click the Epic Games Launcher icon and then click Exit.
Open the directory where Fortnite is installed
Typically, it's at: C:\Program Files\Epic Games\Fortnite
Right-click: BuildInfo.ini
Select Delete.
Right-click the Epic Games desktop shortcut.
Select Launch as Administrator.
Select Library.
Click on the ... next to Fortnite.
Select Manage.
Select Verify Files. This may take a while.
Try launching Fortnite again.