How To Fix 0M304 - The system has deleted the modification log for &1 objects

SAP Error Message - Details

• Message type: E = Error

• Message class: 0M - Customer Enhancements

• Message number: 304

• Message text: The system has deleted the modification log for &1 objects

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0M304 - The system has deleted the modification log for &1 objects ?

  The SAP error message 0M304 indicates that the system has deleted the modification log for a specified number of objects. This typically occurs when the modification log has reached its maximum size or when the system has been configured to delete logs after a certain period or under certain conditions.
  Cause:
  
  Log Size Limit: The modification log may have reached its configured size limit, prompting the system to delete older entries.
  Retention Policy: The system may have a retention policy that automatically deletes logs after a certain time period.
  Manual Deletion: Logs may have been manually deleted by an administrator or through a scheduled job.
  System Configuration: Certain configurations in the system may lead to the automatic deletion of logs.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the modification log in the SAP system. This can typically be done in transaction codes like SCC4 or SCC1 to check the settings for log retention.
  Increase Log Size: If the log size is too small, consider increasing the size limit for the modification log to prevent premature deletion.
  Review Retention Policies: Adjust the retention policies if they are too aggressive, leading to frequent deletions of logs.
  Monitor Log Usage: Regularly monitor the usage of the modification log to ensure it is not filling up too quickly.
  Backup Logs: If necessary, implement a backup strategy for the modification logs to retain important information before it gets deleted.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SCDO (for Data Object Management) and SCC4 (for client settings) to manage logs and configurations.
  SAP Notes: Check SAP Notes for any specific guidance or patches related to modification logs and their management.
  System Performance: Understand that excessive logging can impact system performance, so balance between logging needs and system efficiency.
  Documentation: Refer to SAP documentation for detailed information on modification logs and their management.
  
  If the issue persists or if you need further assistance, consider reaching out to your SAP Basis team or SAP support for more tailored help.