How To Fix C+702 - A system error occurred during the blocking procedure

SAP Error Message - Details

• Message type: E = Error

• Message class: C+ -

• Message number: 702

• Message text: A system error occurred during the blocking procedure

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+702 - A system error occurred during the blocking procedure ?

  The SAP error message C+702, which states "A system error occurred during the blocking procedure," typically indicates that there is an issue with the system's ability to lock or block certain resources during a transaction. This can happen for various reasons, including database inconsistencies, issues with the application server, or problems with the underlying infrastructure.
  Causes:
  
  Database Lock Issues: The error may occur if there are problems with database locks, such as deadlocks or contention for resources.
  System Configuration: Misconfigurations in the SAP system or database settings can lead to blocking issues.
  Network Issues: Network interruptions or latency can cause communication problems between the application server and the database.
  Application Bugs: There may be bugs in the application code that lead to improper handling of locking mechanisms.
  Resource Limitations: Insufficient resources (CPU, memory, etc.) on the application server or database server can lead to performance issues and errors.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21) and application logs (transaction SLG1) for more detailed error messages that can provide insights into the root cause.
  Database Locks: Use transaction SM12 to check for any existing locks that may be causing the issue. If necessary, release any unnecessary locks.
  Transaction Monitoring: Monitor the performance of the system using transaction ST22 (dump analysis) and ST03N (workload analysis) to identify any performance bottlenecks.
  Restart Services: If the issue persists, consider restarting the affected application server or database services to clear any temporary issues.
  Check Configuration: Review the configuration settings for both the SAP system and the database to ensure they are optimized for performance and resource management.
  Update SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address known issues related to this error.
  Consult SAP Support: If the problem cannot be resolved internally, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), SM12 (Display and Delete Locks), ST22 (Dump Analysis), and ST03N (Workload Analysis).
  SAP Notes: Regularly check for updates and patches from SAP that may address known issues or bugs related to locking mechanisms.
  Performance Tuning: Consider conducting performance tuning for both the SAP application and the underlying database to prevent future occurrences of similar errors.
  
  By following these steps, you should be able to diagnose and resolve the C+702 error effectively.