Ref: E1000: Internal Application Error
- Login to SelluSeller.
2. Click on Catalogue > Others > Failed > Search your product.
3. Go to your product and click on the drop down arrow. Click on the "i" button and you will get the error message.
Note: This may reflect in an issue from Lazada's side.
You may try to sync after few hours or the next day.
Hope this answers your question.
You can resolve this error in SelluSeller, by clicking here.