How can I enable my Face ID

Hey there,

See Related Article again ☞ If an alert says Face ID has been disabled on your iPhone or iPad Pro - Apple Support

The support article you came here from should provide you with the steps needed to try to resolve this issue. Have you tried them all yet? If so, and they didn't help, I suggest that you contact Apple Support directly. To do so, simply select the "Get Support" link in the upper right-hand side of this forum's web page.