top row of blocks in my apartment are glitched

[kei1389]

USERNAME: m0ney*****
APARTMENT COORDINATES (F3 TO VIEW):

1. X: 1440 Y: 57 Z: 1238

ISSUE: The top block row of my entire apartment will not let me or any members place blocks there. It has been like this for some time.
ADDITIONAL INFORMATION: Block B1, last on the third floor

 

[Escuzme]

REVIEWED
I am unable to find where exactly you can't place the blocks, try to be more specific

You can also try to point it out with signs if needed, to make it easier for us​