Invalid logistic info
It's right that you are using J&T / Ninja / Shopee Xpress
But all this logistic partners falls under Standard Delivery (Local) When creating new listing or cross posting to Shopee on OneCart, check only Standard Delivery to prevent the above error message.
Another error that you may experience
Shopee accepts postings of minimum 3 images and maximum 9 images. Do ensure you load images here.
If you have not upload any images to OneCart you may follow this article guide for image upload https://help.getonecart.com/help/how-do-i-add-images-to-products-in-onecart?version=latest