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3289109 - Concur Error 503 at posting integration


Expense reports do not get imported because the FEEDBACK LOOP sometimes fails with 503 "Service Unavailable" error.

The message error at SLG1 is:

Note de frais: Import failed for package 1 due to connection errors.
No response from Concur system ZNEW_SAPCONCUR_FEP. Try again later.
503 Service Unavailable
or disconnect/reset before headers. reset reason: overflow

Or check the Concur response for API /financialintegration/fi/v4/companies/transactiontypes/expense/transactions, it shows: upstream connect error or disconnect/reset before headers. reset reason: overflow.



  • SAP R/3
  • SAP R/3 Enterprise 4.7
  • SAP ERP Central Component
  • SAP enhancement package for SAP ERP
  • SAP enhancement package for SAP ERP, version for SAP HANA
  • SAP S/4HANA Finance
  • SAP S/4HANA Cloud
  • SAP Fiori for SAP S/4HANA Finance
  • SAP Fiori


503, service unavailable, feedback loop, overflow, Akamai, Concur, ICS, CTE_SETUP, Concur connection, API, expense reports , KBA , XX-INT-CONCUR , INTEGRATION CONCUR - SAP , BNS-CON-SE-S4 , Concur Suite Enablement S/4HANA Integration , BNS-CON-SE-ERP , Concur ERP Integration , Known Error

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