How To Fix PP306 - System error: serious error occurred in possible entries

SAP Error Message - Details

• Message type: E = Error

• Message class: PP -

• Message number: 306

• Message text: System error: serious error occurred in possible entries

What causes this issue?

An unidentified serious error has occurred when using the possible
entries function, making it impossible to continue executing the
program.

System Response

The program is cancelled.

How to fix this error?

If the error occurs in one of your programs, make sure that the
possible entries function is accessed correctly.
If the error occurs in an SAP program, please inform SAP.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PP306 - System error: serious error occurred in possible entries ?

  The SAP error message PP306 ("System error: serious error occurred in possible entries") typically occurs in the context of the Production Planning (PP) module when the system encounters an unexpected issue while trying to retrieve or display possible entries for a field. This can happen in various scenarios, such as during the creation or modification of production orders, material master records, or other related transactions.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the underlying data that the system is trying to access.
  Configuration Issues: Incorrect configuration settings in the PP module or related areas can lead to this error.
  System Bugs: There may be bugs in the SAP system or specific patches that have not been applied.
  Authorization Issues: Lack of proper authorizations for accessing certain data can also trigger this error.
  Performance Issues: If the system is under heavy load or if there are performance issues, it may not be able to process requests properly.
  
  Solutions:
  
  
  Check for Data Inconsistencies:
  
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the relevant tables for inconsistencies.
  Run consistency checks for the relevant master data.
  
  
  
  Review Configuration Settings:
  
  Verify the configuration settings in the PP module to ensure they are set up correctly.
  Check for any recent changes in configuration that might have led to the issue.
  
  
  
  Apply SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that address this specific error. Applying the latest patches or updates may resolve the issue.
  
  
  
  Check Authorizations:
  
  Ensure that the user encountering the error has the necessary authorizations to access the data in question.
  
  
  
  System Performance:
  
  Monitor system performance and check for any background jobs that may be affecting system responsiveness.
  If the system is under heavy load, consider scheduling resource-intensive tasks during off-peak hours.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, it may be necessary to contact SAP Support for further assistance. Provide them with detailed information about the error, including transaction codes, user actions leading to the error, and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO01 (Create Production Order), CO02 (Change Production Order), and others related to production planning.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to the PP module for best practices and troubleshooting steps.
  
  By following these steps, you should be able to diagnose and potentially resolve the PP306 error in your SAP system.