How To Fix /SAPAPO/CURTO_UI129 - More than one Master Output not allowed.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CURTO_UI -

• Message number: 129

• Message text: More than one Master Output not allowed.

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 /SAPAPO/CURTO_UI129 - More than one Master Output not allowed. ?

  The SAP error message /SAPAPO/CURTO_UI129 More than one Master Output not allowed typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an attempt to create or process multiple master outputs in a scenario where only one is permitted. This can happen in various transactions or processes within the APO module, particularly when dealing with planning books, data views, or planning scenarios.
  Cause:
  
  Multiple Master Outputs: The error is triggered when the system detects that more than one master output is being defined or processed simultaneously. This could be due to user actions or system configurations that allow for multiple outputs where only one is expected.
  Configuration Issues: There may be a misconfiguration in the planning book or data view settings that allows for multiple outputs.
  Data Integrity Issues: There could be issues with the data being processed, such as duplicate entries or incorrect settings in the master data.
  
  Solution:
  
  Check Planning Book Configuration: Review the configuration of the planning book or data view to ensure that it is set up to allow only one master output. You can do this by navigating to the planning book settings in the SAP APO system.
  Review User Actions: Ensure that users are not inadvertently trying to create or process multiple outputs. Provide training or guidelines on how to properly use the system.
  Data Cleanup: Check for any duplicate entries or inconsistencies in the master data that could be causing the issue. Clean up any unnecessary or duplicate data.
  System Settings: If you have access to the backend configuration, check the settings related to master outputs in the APO system. Ensure that the system is configured to allow only one master output as intended.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for any specific recommendations or patches that may address the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO that may help in troubleshooting, such as /SAPAPO/SDP94 for planning book maintenance.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.