Fatal PHP error when editing pages with map blocks
Editing a page with a map field inside an ACF block crashes with a fatal PHP stripslashes error after a plugin or ACF update.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 5 October 2023 · last reported 28 January 2026
What's going wrong
Site owners who place the map field inside an ACF block report that the page editor stops loading with a fatal PHP type error about stripslashes receiving an array.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.