Smart UI Components & Libraries – Grid, Scheduler, Gantt, Kanban for Angular, React, Next.js, Vue, Blazor, JavaScript › Forums › General Discussions › Date & Time Pickers › Date picker error for nl_be › Reply To: Date picker error for nl_be
September 10, 2025 at 4:20 pm
#112950
Keymaster
Hi,
Such language tag is indeed invalid and the error points it out. You can observe that the error is from the native JS Date.toLocaleString which means that nl_BE is invalid String for a Locale.
Best regards,
Markov
Smart UI Team
https://www.htmlelements.com/