SAP Knowledge Base Article - Preview

3321367 - SAP GUI has closed the communication channel. All sessions are lost.

Symptom

When working in SAP Business Client (NWBC) you experience the error "SAP GUI has closed the communication channel. All sessions are lost. Please apply note 520688.".

While performing the same steps that triggered the error in NWBC, it is possible to trigger a crash in the standalone SAP GUI.


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Environment

SAP Business Client, SAP GUI for Windows

Product

ABAP platform all versions ; SAP NetWeaver all versions ; SAP S/4HANA all versions

Keywords

SAP GUI, SAP BC, NWBC, crash, close, trace, not responding, connection lost, Business Client, netweaver, SAPGUI, adobe, billing document, display, PDF, gets lost, connection to SAP GUI, connection to GUI, connection is lost, db inconsistency, database, Enable SAP GUI Ok Code, History , KBA , BC-FES-GUI , SAP GUI for Windows , BC-FES-CTL , SAP GUI for Windows Controls , BC-FES-BUS , Netweaver Business Client , BC-FES-BUS-DSK , SAP Business Client for Desktop , Problem

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