If sweet berries are in the player's main hand, and the player is targeting a block on which they cannot be planted, including ones in walls and ceilings, the item in the off-hand will not be used. if the player uses the "use item" action.
EDIT: This is with a full hunger bar
- duplicates
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MC-126337 You can no longer place blocks with your offhand when your main hand has a block that can't be placed
- Resolved