In the offers integration log, you have a majority of identical errors:
EAN: Unknown reference. You must create your product before putting an offer, or put an offer on an existing product using the EAN
Deux possibilités ;
1) You send for the first time a feed of offers:
Your products do not exist on CDiscount, you may have not be verified whether it was necessary to send your products.
Follow then the product creation tutorial.
2) You already have online offers on CDiscount here reported as aborted that match those EAN :
You previously had offers online that were not sent by the module but created directly on the CDiscount backoffice or sent by an feed integrator.
It will have to ensure the correspondence of your references on Prestashop with your SKU on CDiscount, visit: Validate your catalog structure,
If the SKU does not match the reference, but an ID, which is a technique of some integrators, contact us.
If the offers were entered directly on the CDiscount backoffice and the SKU does not match the reference, contact CDiscount for a purge of offers.