Facebook Ad Systems Error Causes Significant Overspend on Many Accounts
Many Facebook advertisers woke up to a shock on Sunday morning, with a bug in Meta’s ad delivery system causing significant overspend on a range of accounts.

Some ad buyers reported CPMs up 200%-500% versus the previous day, while all ad performance metrics were seemingly affected. Other advertisers also reported their ad sets well exceeding their daily set budgets, with no way to limit the damage.
Meta acknowledged the issue within hours of reports coming in, and quickly worked to implement a fix, while also assuring ad partners that credits will be issued to rectify the situation.
As of 9:45pm ET, Meta had reportedly fixed the problem, and all ad systems were functioning as normal once again. Meta says that it will communicate with impacted ad account managers directly in the coming days. Read More…