Phrases Sharing and Responding to Complaints

I'll make sure this doesn't happen again.

C1

Meaning

I will take steps to prevent this from recurring.

Example sentences

John: 'This is the third time this has happened.'

Alice: 'I'll make sure this doesn't happen again.'

John: 'I'll make sure this doesn't happen again.'

Alice: 'This is unacceptable and we have to prevent it happening again.'