If you made a mistake and want to delete a flow block, proceed as shown in the figure:
Click on the block you want to delete and then press the key combination: “control + del(del)” if you are on a Windows or Linux system” or “command + del” if you are on an Apple system.
NB: When you delete a main block, due to logical coherence in the conversation, all the resulting blocks will also be deleted. This is to ensure that flows always have a correct logical structure.