How To Fix IS551 - Internal error: &

SAP Error Message - Details

• Message type: E = Error

• Message class: IS - Equipment management

• Message number: 551

• Message text: Internal error: &

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 IS551 - Internal error: & ?

  The SAP error message IS551 "Internal error: &" typically indicates that there is an unexpected issue occurring within the SAP system, which can be caused by various factors. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the database.
  Configuration Issues: Incorrect configuration settings in the system can lead to internal errors.
  Program Errors: Bugs or issues in custom ABAP programs or standard SAP programs can trigger this error.
  System Resource Issues: Insufficient memory or other system resources can lead to internal errors.
  Transport Issues: Problems with transport requests that have not been properly imported can also cause this error.
  
  Solutions:
  
  Check Logs: Review the system logs (transaction codes like SLG1 for application logs or ST22 for dump analysis) to get more details about the error.
  Data Validation: Ensure that the data being processed is complete and correct. Check for any missing or invalid entries.
  Configuration Review: Verify the configuration settings related to the transaction or process that triggered the error.
  Debugging: If you have access to the ABAP code, you can debug the program to identify where the error is occurring.
  System Resources: Monitor system performance and resource usage. If necessary, increase memory or optimize system settings.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like ST22 (Dump Analysis), SM21 (System Log), and SLG1 (Application Log) to investigate further.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Documentation: Review SAP documentation related to the specific module or functionality you are working with, as it may provide additional context or troubleshooting steps.
  
  Conclusion:
  The IS551 error is a generic internal error that requires a systematic approach to diagnose and resolve. By following the steps outlined above, you can identify the root cause and implement a solution. If necessary, do not hesitate to seek help from SAP Support or the broader SAP community.