# 2.18 Regarding ReVanced Extended patches / InvocationTargetExceptions

Using ReVanced Extended patches is the most likely cause for InvocationTargetException.

ReVanced Extended patches which are nonofficial, unsupported, and discontinued, you should stop using them.

You can reset to official patch sources by:

1. Going to manager settings > sources
2. Click the reset icon at top right of the window
3. Click ok

If that doesn't work solve the issue:

1. Clear all of manager's data first
2. Uninstall manager
3. Download the latest version here