Many of the items in your inventory are replaced by others when you pull the bowstring.

1.Take the inventory bone meal and bow.
2.Pull the bowstring.
3.Release the bow and QUCKLY switch to bone meal.
4.At the site of bone meal will ink sac in the red box

The list of things that can be replaced in a similar case:

• Spawn Sheep, Spawn Pig, Spawn Cow and Spawn Chicken
• Stone Bricks
• Wood
• Bone meal
• Bucket with lava and Bucket with water
• Sapling
• Sandstone
• Leaves

Please, fix)