Idoc Receiver with RFC registered program ID
we have a scenario ECC(IDOC)-PI-LIMS(IDOC), where idocs are sent from ECC to LIMS (non-sap). To send the idocs to LIMS, there is a program id registered in an RFC in PI, and one service in LIMS (idocReceiver) that downloads the idocs from this program id. The communication channel is an Idoc Receiver where the RFC is indicated.
This scenario was working fine until we upgraded from PI 7.0 to PI 7.4, and now, if more than one idoc is sent at the same time, the idocReceiver service merges and scrambles the idocs in one single message.
¿Do you have any idea why this is happening and how can it be solved?