Where did we get off track?

Meaning

At what point did our understanding diverge?

Examples

• John: 'It seems we're at odds.'
• Alice: '<b>Where did we get off track?</b> Let's retrace our steps.'
• John: '<b>Where did we get off track?</b> Let's review our initial plan.'
• Alice: 'I'm concerned we're heading in the wrong direction.'