How To Fix SALV_X_API147 - Streaming connection already open: &1

SALV_X_API147 - Overview

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 147

• Message text: Streaming connection already open: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_X_API147 - Streaming connection already open: &1 ?

  The SAP error message SALV_X_API147 indicates that there is an attempt to open a streaming connection that is already open. This typically occurs in the context of using the SAP ALV (ABAP List Viewer) framework, particularly when working with the SALV (Simple ALV) classes.
  
  Cause:
  The error is usually caused by one of the following scenarios:
  
  Multiple Calls: The program is trying to open a streaming connection multiple times without closing the previous connection.
  Improper Handling: The code does not properly manage the lifecycle of the streaming connection, leading to attempts to open it again while it is still active.
  Concurrency Issues: If multiple threads or processes are trying to access the same streaming connection simultaneously, it can lead to this error.
  
  
  Solution:
  To resolve the error, consider the following steps:
  
  
  Check Connection Management:
  
  Ensure that the streaming connection is opened only once. Review the code to confirm that there are no duplicate calls to open the connection.
  If you