Steps To Reproduce:
1. Place a command_block on the ground.
2. Add this CMD
( clone ~ ~ ~ ~ ~1 ~2 ~ ~ ~20 ).
3. Place a RedstoneLamp on each side of command_block(X, Z, -X, -Z).
4. Place a stone button on top of each RedstoneLamp.
5. Click one of the stone buttons.
6. Shift and place a torch on top of the command_block.
7. Click one of the stone buttons.
8. Go to the cloned command_block and click the stone button.
- The first time the cloned command_block will not work.
found this issue since MCPE_v1.16.201.01