I'm truly sorry for the oversight.

Meaning

Expressing regret for a mistake that was overlooked.

Examples

• John: 'I'm truly sorry for the oversight; I didn't realize the deadline was so soon.'<br>
• Alice: 'It's okay, John. Let's focus on fixing it now.'
• John: 'I understand, Alice. Thanks for letting me know now.'
• Alice: 'I'm truly sorry for the oversight in not informing you earlier, John.'<br>