How To Fix RT558 - SAP buffer: initial record layout (InitialRecords)

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 558

• Message text: SAP buffer: initial record layout (InitialRecords)

What causes this issue?

The InitialRecords buffer (also called the IREC buffer) contains the
initial record layout of a table. The initial record layout contains
the initial values for all fields of a database segment.
You can set the maximum size of the buffer using system parameter
<ZH>rsdb/ntab/irbdsize</>. The system sets the maximum number of
entries in the buffer directory depending on the maximum number of
entries in the TableDefinition buffer:
<ZH>2 * rsdb/ntab/entycount + 1</>
Specify the value for system parameter <ZH>rsdb/ntab/irbdsize</> in
kilobytes.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

INCLUDE BC_BUFFER_INFO1 OBJECT DOKU ID TX LANGUAGE EN
A typical size setting for the buffer is around 4.000 KB.
INCLUDE BC_BUFFER_INFO2 OBJECT DOKU ID TX LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RT558 - SAP buffer: initial record layout (InitialRecords) ?

  The SAP error message RT558, which pertains to the SAP buffer and the initial record layout (InitialRecords), typically indicates an issue with the data structure or configuration of the buffer in the SAP system. This error can arise in various contexts, such as during data processing, data transfer, or when accessing certain transactions.
  Cause:
  
  Incorrect Buffer Configuration: The buffer may not be configured correctly, leading to mismatches in the expected data structure.
  Data Structure Changes: If there have been recent changes to the data structure (e.g., fields added or removed), the buffer may not be updated accordingly.
  Inconsistent Data: The data being processed may not conform to the expected format or layout, causing the buffer to fail in reading or writing the data.
  Transport Issues: If the error occurs after a transport, it may be due to missing or incorrectly transported objects.
  
  Solution:
  
  Check Buffer Configuration: Review the configuration of the buffer in the relevant transaction or module. Ensure that it matches the expected layout and data types.
  Update Data Structures: If there have been changes to the data structure, ensure that the buffer is updated to reflect these changes. This may involve regenerating the buffer or adjusting the data model.
  Data Validation: Validate the data being processed to ensure it adheres to the expected format. This may involve checking for null values, data types, and field lengths.
  Transport Review: If the error occurred after a transport, review the transport logs to ensure that all necessary objects were included and correctly transported.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  System Logs: Review system logs (transaction SM21) for additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in diagnosing or resolving the issue, such as SE11 (Data Dictionary), SE80 (Object Navigator), and SM37 (Job Monitoring).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Refer to SAP documentation for the specific module or functionality you are working with, as it may provide insights into buffer management and data structure requirements.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.