Error: 404: on Salesforce HTTP request

URL: https://emselectronicmusicschool-dev-ed.develop.my.salesforce.com/services/data/v55.0/sobjects/Woocommerce_Produkt__c/tmp_sf_6405d35f42cf98.38863322

Message: Provided external ID field does not exist or is not accessible: tmp_sf_6405d35f42cf98.38863322

Code: 404