Deleating old colors/beam causing error

Trying to delete old color and beams from the road hog and receiving this msg.

Deleting old pallets will replace reference with hard values . Click yes results in this ms

Server busy Please try again
(Object 20 in array 23)
The old lights were Mac 250 originals and we now have the krypton 250;s

These were the only 2 that would not delete when we re programmed any help would be awesome. hate not being organized haha

Thanks
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