Your SellerChamp and Walmart connection becomes inactive mainly because of the incorrect:
This is unique for each Walmart client.
Fix the Client ID and the Client Secret within your SellerChamp Walmart default account settings page.
Step 1: Go into your SellerChamp Settings page
Step 2: Locate your Walmart store under Marketplaces from the left hand menu options and go into Edit your Walmart default account settings page.
Step 3: Under the Edit Walmart Account page, locate the Client ID section and the Client Secret section.
You can also click here to watch our help video on YouTube to get more info on how to locate your Client ID and Client Secret within your Walmart seller central.