Cinema 4D Prime Object Manager Tags Menu Cinema 4D Tags UVW Tag
Function available in CINEMA 4D Prime, Visualize, Broadcast, Studio & BodyPaint 3D

Basic Tag

Tag Properties

Lock UVW

This option should be active especially when importing scenes from other applications. This prevents the UV mesh from mistakenly being edited by BodyPaint 3D’s UV editing tools.

More about working with UVW coordinates can be found under mapping types (projection).