Which types of exception are created, when the supplier invoice has errors?

When a supplier invoice has errors in SAP Business ByDesign, the following types of exceptions can be created: Missing account determination group, wrong G/L account, and price / quantity / tax variance. Possible duplicate and missing receipt or return document are not types of exceptions created when the supplier invoice has errors. Reference: https://help.sap.com/viewer/822c3a3f7f3d41d9a8b3a3fcf3c74f20/1911/en-US/1d9c0e01cf1b10149e0b36ff2f0a47fa.html