In this case, please help me to log out our app:
Then go to your Shopify Admin page > Apps > Sign in to Ali Orders by clicking on the its name
This action to avoid the TOKEN going to be missed.
Then, try to push your product to shop again.
If you are still getting this message about failure, please help me to check on your pushed products.
Since Shopify has changed their limitation for variants to push to shop, you can click here to check for more information.
If you have reached to 50.000 variants already, then you will be limited by 1000 variants per day only.
I hope this might be helpful for you.
Should you have any other concern, feel free to contact our Support team via our live chat channel by clicking on the bottom right icon inside app, or our email at email@example.com.