https://userapps.support.sap.com/sap/support/knowledge/en/2935111
2935111 - IBP: Inventory Optimization operator fails with the error 'Subnetwork YYYYY isn't valid....
Any of the IO operator/function(s) fail and the error in the log is: Subnetwork YYYYY isn't valid. Please correct it. The IO operator running is part of a...