How To Fix C_033 - Start data selection (block size: &)

SAP Error Message - Details

• Message type: E = Error

• Message class: C_ - CRM Integration Messages

• Message number: 033

• Message text: Start data selection (block size: &)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C_033 - Start data selection (block size: &) ?

  The SAP error message C_033, which states "Start data selection (block size: &)," typically occurs during data extraction or data selection processes in SAP systems. This error can be related to various issues, including configuration problems, data inconsistencies, or system performance issues.
  Causes:
  
  Block Size Configuration: The block size specified for data selection may not be appropriate for the amount of data being processed.
  Data Volume: If the volume of data being selected is too large, it may exceed the system's capacity to handle it efficiently.
  Performance Issues: System performance issues, such as insufficient memory or CPU resources, can lead to this error.
  Database Locks: If there are locks on the database tables being accessed, it can prevent the data selection from proceeding.
  Incorrect Selection Criteria: The selection criteria used in the data extraction may be too broad or incorrectly defined, leading to excessive data being selected.
  
  Solutions:
  
  Adjust Block Size: Review and adjust the block size configuration in the data selection settings. Ensure that it is set to a value that can handle the expected data volume.
  Limit Data Volume: If possible, refine the selection criteria to limit the amount of data being processed at one time. This can help avoid performance bottlenecks.
  Monitor System Resources: Check the system's memory and CPU usage. If resources are low, consider optimizing the system or increasing the available resources.
  Check for Database Locks: Use transaction codes like SM12 to check for any locks on the database tables. If locks are found, investigate and resolve them.
  Review Selection Criteria: Ensure that the selection criteria are correctly defined and not overly broad. Narrowing down the criteria can help improve performance and reduce the likelihood of errors.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SM12 (Display and Delete Locks), and ST22 (Dump Analysis) to diagnose and troubleshoot issues.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Performance Tuning: Consider implementing performance tuning measures for your SAP system, such as optimizing database queries and indexing.
  
  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.