How To Fix SALV_X_API149 - Serialization of Streaming configuration failed: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 149

• Message text: Serialization of Streaming configuration failed: &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_X_API149 - Serialization of Streaming configuration failed: &1 ?

  The SAP error message SALV_X_API149 with the description "Serialization of Streaming configuration failed: &1" typically occurs in the context of using the SAP ALV (ABAP List Viewer) framework, particularly when dealing with streaming data or configurations that are not being serialized correctly.
  
  Cause:
  
  Invalid Configuration: The error may arise if there is an issue with the configuration of the ALV object or the data being passed to it. This could be due to incorrect data types, missing fields, or incompatible settings.
  Data Structure Issues: If the data structure being used for the ALV is not compatible with the serialization process, it can lead to this error.
  Memory Issues: Sometimes, if the system runs out of memory or if there are issues with the buffer, serialization can fail.
  Version Compatibility: There may be compatibility issues between different versions of SAP or the ALV components being used.
  
  
  Solution:
  
  Check Configuration: Review the configuration of the ALV object. Ensure that