Actually, I just figured it out! You just need to go into your Outliner, select all of the LandscapeStreamingProxies, and then in the Details pane, reload your Landscape Material. This reloaded the missing texture patches for me.
Actually, I just figured it out! You just need to go into your Outliner, select all of the LandscapeStreamingProxies, and then in the Details pane, reload your Landscape Material. This reloaded the missing texture patches for me.