How To Fix GR374 - Library & is used by parallel report &

SAP Error Message - Details

• Message type: E = Error

• Message class: GR - Report Writer

• Message number: 374

• Message text: Library & is used by parallel report &

What causes this issue?

The library you have entered is not empty - it contains at least one
parallel report. You cannot therefore delete this library.

System Response

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

How to fix this error?

If you still want to delete the library, you first have to delete all
the reports and parallel reports contained in the library.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GR374 - Library & is used by parallel report & ?

  The SAP error message GR374 typically indicates that a library is being used by a parallel report, which can lead to issues when trying to execute certain operations that require exclusive access to that library. This error often arises in the context of background processing or when multiple users or processes are trying to access the same resource simultaneously.
  Cause:
  
  Parallel Processing: The error occurs when a library (such as a function module or a program) is being accessed by multiple parallel processes. SAP restricts certain operations to ensure data integrity and consistency.
  Locking Mechanism: SAP uses a locking mechanism to prevent data corruption. If a library is locked by one process, other processes trying to access it will encounter this error.
  Long-Running Jobs: If a job is taking a long time to complete, it may hold onto the library longer than expected, causing other jobs to fail.
  
  Solution:
  
  Check Running Jobs: Use transaction codes like SM37 to check for any running or stuck jobs that might be using the library. If you find any, you may need to wait for them to complete or terminate them if they are not functioning correctly.
  Review Parallel Processing Settings: If the report is designed to run in parallel, consider adjusting the parallel processing settings or limiting the number of parallel jobs to avoid contention for the library.
  Modify the Report: If possible, modify the report to avoid using the library in a way that causes conflicts. This may involve changing how data is accessed or processed.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide patches or updates that address the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM37 (Job Monitoring), SM12 (Lock Entries), and SM21 (System Log) to diagnose and monitor jobs and locks.
  Documentation: Review SAP documentation related to parallel processing and locking mechanisms to understand how they work and how to manage them effectively.
  Performance Tuning: Consider performance tuning for your reports to minimize the time they take to execute, thereby reducing the likelihood of encountering this error.
  
  By following these steps, you should be able to resolve the GR374 error and ensure smoother operation of your SAP environment.