INV_GROUP_ERROR in Manage Pending Transactions

We are importing large volumes of data every hour via the MTL_TRANSACTIONS_INTERFACE. We sometimes have small data errors i.e. one transaction in a batch of hundreds could have a wrong item revision and fails. In Oracle EBS this one transaction is isolated with an error, but all others are processed. We are in the currently testing the same on Oracle Fusion but are getting INV_GROUP_ERROR for the whole batch and need to manually resolve the failed transaction first, before the whole batch gets imported. This would cause huge issues for us. The settings in the interface are: PROCESS_FLAG = 1,