Reply To: Cannot set property 'en_US' of undefined

• drywall

• June 21, 2016 at 7:30 am

Also happening to me on a general “options” page after updating to v5.3.9.1 from v5.3.2.1. Running both The Events Calendar (v4.2) and SearchWP (v2.6.1) — in my case, deactivating SearchWP seems to resolve the issue. Deactivating The Events Calendar appears to have no effect.

Thanks!