My Lazada App on my iPhone 12 Pro is not working anymore...

That's all I was able to find out.

For any further question (if the support article How to contact an app developer - Apple Support I already posted doesn't work, please contact Apple Support directly, using this link:--> Get Support

Regards

Giulio

Read this support article:--> How to contact an app developer - Apple Support

Regards

Giulio

I suggest that you contact that app's support team and ask them, using this link:--> https://www.lazada.com/en/

Regards

Giulio

Or try this one:--> https://www.lazada.com/en/contacts/

Regards

GIulio