We're not receiving fetch_stock.json requests for over an month, we can't really find when exactly it stopped. The hourly for full inventory sync and specific SKU syncs, both not working.
Fulfillment service id: 427327511
We had an old fulfillment service (id: 134381601) that wasn't deleted before we delete the access token, so we can't delete this one anymore. Thought, that's not shown on the Shopify UI nor it should being used. Could that be related to this problem by any chance?
This same service is set up on different stores and it works normally on them, but this store in particular is not getting any inventory sync: half-half-boutique
What can be done here? (BTW we're getting webhook POST requests from that store, only inventory synce that isn't working)
Solved! Go to the solution
That fulfillment service object looks to have been created on March 4th which is a little longer than your 1 month timeline. Looking at the logs, it looks like perhaps your stock sync URL was not correct on this shop (the domain was missing the TLD). The logs then say that we could not establish a connection to the server, I assume because of the domain.
Let me know what you think.