When I booted up my world all my items were missing and signs now read null or a form of gibberish. Before this my Minecraft was laggy enough that mined sugarcane and catus would stay but would not be solid.Sorry for misspellings and lack of a file.
MC-62449
Dissapearing Items
Resolved
Duplicate
0
Erin Mulcahey
(Unassigned)
Unconfirmed
Minecraft 1.7.10
Retrieved
Sorry Mojang if this was a terrible bug report.