Buried Treasure Map chest takes long time to load and map generates empty

Steps to Reproduce:
1) Go to seed -2110024311536081654, and teleport to these coordinates 61, 62, -702.

2) A shipwreck with a buried treasure map chest would be there.

3) Open the chest. 

Expected Result:

A buried treasure map would generate in it without any lag.

Observed Result:

1) The world will stop loading with entities not moving at all and the chest will not open for a few seconds.

2) When opened, a buried treasure map would generate empty.