How To Fix RSTT0429 - Error during serialization of check parameters from position &1 (&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTT0 - Trace Tool: Message Class Engine Layer

• Message number: 429

• Message text: Error during serialization of check parameters from position &1 (&2)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSTT0429 - Error during serialization of check parameters from position &1 (&2) ?

  The SAP error message RSTT0429, which states "Error during serialization of check parameters from position &1 (&2)," typically occurs in the context of the SAP system's performance analysis tools, particularly when dealing with the Transaction ST05 (SQL Trace) or ST12 (SQL Performance Analysis).
  Cause:
  The error usually indicates that there is an issue with the serialization process of the check parameters. This can happen due to various reasons, including:
  
  Data Inconsistency: There may be inconsistencies in the data being processed, which can lead to serialization issues.
  Memory Issues: Insufficient memory or resources available for the serialization process.
  Configuration Issues: Incorrect configuration settings in the performance analysis tools or related components.
  Software Bugs: There may be bugs in the SAP kernel or the specific transaction being used.
  
  Solution:
  To resolve the RSTT0429 error, you can try the following steps:
  
  
  Check for Data Consistency: Ensure that the data being processed is consistent and valid. Look for any anomalies in the data that might cause serialization issues.
  
  
  Increase Memory Allocation: If the error is related to memory issues, consider increasing the memory allocation for the SAP system. This can be done by adjusting the instance profile parameters.
  
  
  Review Configuration Settings: Check the configuration settings for the performance analysis tools. Ensure that they are set up correctly and that there are no misconfigurations.
  
  
  Update SAP Kernel: If you suspect a bug, check for any available updates or patches for the SAP kernel. Applying the latest support packages or patches may resolve the issue.
  
  
  Check SAP Notes: Search the SAP Support Portal for any relevant SAP Notes related to the RSTT0429 error. SAP Notes often provide specific fixes or workarounds for known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  Transaction ST05: This transaction is used for SQL tracing and performance analysis in SAP. Familiarize yourself with its functionalities and how to use it effectively.
  Transaction ST12: This transaction combines SQL trace and ABAP runtime analysis, providing a more comprehensive view of performance issues.
  SAP Notes: Regularly check for updates and notes related to performance analysis tools and error messages in the SAP Support Portal.
  
  By following these steps, you should be able to diagnose and resolve the RSTT0429 error effectively.