Just adding further info . The plot deed was in my storage and I tried and failed then I noticed that baron said in his reply that the deed has to be
bump it up
Thank you baron for your reply much appreciated.
In plot Management window it shows. Gardening 0/2 , Building 1/2 , Factory 0/0 , Utility
very sad post to see, but sometimes is needed! I personaly would love to buy the adj boar as im having extremely hard times finding the last 3 pieces