Does anyone know why my sales aren’t showing on my auto campaign report?

In a similar situation, however my auto campaign has not produced any sales. Ran my campaign for one week in order to gather manual campaign keywords. Ran a “Search Terms” report which appears to be empty.

Auto Campaign Stats
Spend: £38.34
Impressions: 30,312
Clicks: 34
CPC: £1.13
CTR: 0.11%
Sales: 0
Orders: 0