How To Fix ATO_CUSTOMER020 - Check started

SAP Error Message - Details

• Message type: E = Error

• Message class: ATO_CUSTOMER - ATO Messages for the End User

• Message number: 020

• Message text: Check started

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 ATO_CUSTOMER020 - Check started ?

  The SAP error message ATO_CUSTOMER020 "Check started" typically relates to the Advanced Planning and Optimization (APO) module or the Advanced Variant Configuration (AVC) in SAP. This message indicates that a check has been initiated, often in the context of configuration or planning processes.
  Cause:
  
  Configuration Issues: The error may arise due to incorrect or incomplete configuration settings in the variant configuration or planning setup.
  Master Data Problems: Missing or incorrect master data (like material master, BOM, or routing) can trigger this message.
  Authorization Issues: Lack of proper authorizations for the user trying to execute the transaction can also lead to this message.
  System Settings: Certain system settings or parameters may not be correctly defined, leading to the check being initiated.
  
  Solution:
  
  Review Configuration: Check the configuration settings in the variant configuration or planning area to ensure they are set up correctly.
  Validate Master Data: Ensure that all necessary master data is complete and accurate. This includes checking the material master, BOM, and routing.
  Check Authorizations: Verify that the user has the necessary authorizations to perform the action that triggered the message.
  System Logs: Review system logs or transaction logs for more detailed error messages that can provide insight into what specifically is causing the check to be initiated.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module you are working with for any known issues or additional troubleshooting steps.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a bug or a more complex issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may be involved in the process, such as CU50 (Configuration Profile) or /SAPAPO/SDP94 (APO Planning).
  SAP Notes: Search for SAP Notes related to ATO_CUSTOMER020 for any patches or updates that may address the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing additional insights or solutions.
  
  By following these steps, you should be able to diagnose and resolve the ATO_CUSTOMER020 error message effectively.