SAP PO – FCAException: Cannot get OutBuffer: -7

While sending large number of messages from external Java system (SOAP ) to SAP ISU system (IDOC)  through SAP PO, messages get stucked in Delivering status (while sending IDOC)

 This causes that SAP PO is not able to handle any new requests.

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Sybase – SQL message: [ASE Error SQL712]

In transaction ST22 You probably can find information similar to below:

Database error text: “SQL message: [ASE Error SQL712][SAP][ASE ODBC Driver][Adaptive Server Enterprise]There is insufficient heap memory to allocate 36432 bytes. Please increase configuration parameter ‘heap memory per user’ or try again when there is less activity on the syst”

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