LansscapeStreamingProxy is greyed out

Hi,
I have restarted UE and after that 252 of 256 LandscapeStreamingProxies is greyed out and I can’t see them. What should I do to see them like before restarting the UE?
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You need to load those cells in world partition. Open the world partition mini map and select drag the cells you want to load, right click and a menu will popup that will allow you to load selected cells.

If you want to quickly load a specific proxy the you can right click it in the outliner and pin it.