1. The Store SKU cannot be found.



💡 Solution: Update the product info -- Go to the active product listing > Selected the product > Sync Product > Sync Selected



2. The stock of products in the " Frozen/ Delete" status cannot be synced.



💡 Solution: 
Go to the active product listing > Selected the product > Sync Product > Sync Selected, to get the latest product info. If the product is still in the "Frozen/Deleted" list, it cannot be synced.

3. The stock should be larger than reserved stock.
    E501: Update product failed : SKU: xxxx : Quantity :E0501CHANNEL_INV_NEGATIVE_SELLABLE



💡 Solution:
Please check if this SKU is in a ongoing/upcoming promotion. The pushed qty cannot be lower than the reserved stock. If your actual stock qty is lower than the reserved stock, please remove this SKU from the promotion; Or you can push again manually after the promotion ends.