How To Fix SOI1520 - ============================== Table Delta ==============================

SAP Error Message - Details

• Message type: E = Error

• Message class: SOI1 - Safe Online Import/Upgrade Messages continued

• Message number: 520

• Message text: ============================== Table Delta ==============================

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 SOI1520 - ============================== Table Delta ============================== ?

  The SAP error message SOI1520 typically relates to issues with the delta queue in the SAP system, particularly in the context of SAP's data replication or data transfer processes. This error can occur in various scenarios, such as during the extraction of data from SAP systems to a data warehouse or during the replication of data between systems.
  Cause:
  The error message SOI1520 can be caused by several factors, including:
  
  Delta Queue Issues: The delta queue may be inconsistent or corrupted, which can prevent data from being processed correctly.
  Data Transfer Problems: There may be issues with the data transfer process, such as network problems or configuration errors.
  Missing or Incomplete Data: If the data being replicated or transferred is incomplete or missing, it can lead to this error.
  Configuration Errors: Incorrect settings in the data source or in the replication configuration can also trigger this error.
  Locks or Deadlocks: If there are locks on the tables involved in the delta process, it can cause delays or failures in processing.
  
  Solution:
  To resolve the SOI1520 error, you can take the following steps:
  
  Check Delta Queue: Verify the status of the delta queue. You can use transaction codes like RSA7 to monitor the delta queue and check for any inconsistencies.
  Reinitialize Delta: If the delta queue is corrupted, you may need to reinitialize the delta process. This involves resetting the delta queue and reloading the data.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the relevant tables. If there are locks, you may need to resolve them before proceeding.
  Review Configuration: Ensure that the configuration settings for the data source and replication process are correct. This includes checking the extraction settings and ensuring that all necessary fields are mapped correctly.
  Monitor Data Transfer: Check for any network issues or errors in the data transfer process. Ensure that the connection between the systems is stable and that there are no interruptions.
  Consult Logs: Review the application logs and system logs for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA7, SM12, SLG1, and ST22 for monitoring and troubleshooting.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to data extraction and replication processes for best practices and configuration guidelines.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.