When I mine any block it wont let me pick it up there is nothing on the ground and the only way for me to pick it up is take it from a chest mojang please fix this bug

This bug has gone through me and my friends and we can not do anything in survival and we hate playing in creative! Mojang please fix this bug:'(

Mojang i hope you can get back to me soon you can email me or message my xbox live. My xbox live is RamondGamez.