/CFG/TASKLIST123 - Error, unexpected number of matching rows in &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /CFG/TASKLIST -

• Message number: 123

• Message text: Error, unexpected number of matching rows in &1

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.

AnswerBot

• What is the cause and solution for SAP error message /CFG/TASKLIST123 - Error, unexpected number of matching rows in &1 ?

  The SAP error message /CFG/TASKLIST123 Error, unexpected number of matching rows in &1 typically indicates an issue with a task list or configuration in the SAP system. This error can occur in various contexts, often related to configuration tasks or when executing certain functions that involve task lists.
  Cause:
  
  Data Inconsistency: The error may arise due to inconsistencies in the underlying data. For example, the system might expect a certain number of entries in a database table, but it finds a different number.
  Configuration Issues: There may be a misconfiguration in the task list or related settings that leads to unexpected results.
  Custom Code: If there are custom developments or enhancements in the system, they might not be handling data correctly, leading to this error.
  Transport Issues: If the task list is part of a transport request, there might be issues with the transport itself, such as missing objects or incorrect versions.
  
  Solution:
  
  Check Data Consistency: Verify the data in the relevant tables to ensure that the expected number of entries is present. You can use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to inspect the tables.
  Review Configuration: Go through the configuration settings related to the task list to ensure everything is set up correctly. This may involve checking transaction codes like SPRO (Customizing) to review the relevant configuration paths.
  Debugging: If you have access to the ABAP code, you can debug the program that is generating this error to identify where the mismatch is occurring.
  Check Custom Code: If there are any custom developments, review the code to ensure it is correctly handling the data and not causing the mismatch.
  Transport Management: If the issue is related to a transport, check the transport logs and ensure that all necessary objects are included and correctly imported into the target system.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error. There may be patches or updates that resolve known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE16, SPRO, and SE80 for debugging and configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review SAP documentation related to task lists and configuration management for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.