After power surge to my server, the map was distorted!! all my project got lost because there are entire blocks areas that were relocated over by buildings!!!
I got these errors:

[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:skull @ fk{x=167, y=71, z=-5}
[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:skull @ fk{x=170, y=71, z=-9}
[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:skull @ fk{x=165, y=71, z=-1}
[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:chest @ fk{x=257, y=63, z=-37}
[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:beacon @ fk{x=262, y=75, z=-35}
[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:beacon @ fk{x=262, y=75, z=-36}
[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:chest @ fk{x=257, y=63, z=-34}
[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:mob_spawner @ fk{x=365, y=19, z=-78}
[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:mob_spawner @ fk{x=358, y=25, z=-73}
[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:mob_spawner @ fk{x=153, y=50, z=-89}
[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:chest @ fk{x=151, y=50, z=-90}
[22:40:18] [Server thread/WARN]: Block entity invalid: minecraft:mob_spawner @ fk{x=97, y=10, z=-30}

Is there any way to fix this??