How To Fix ATO_CUSTOMER266 - ATO system type must be specified.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 266

• Message text: ATO system type must be specified.

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ATO_CUSTOMER266 - ATO system type must be specified. ?

  The SAP error message ATO_CUSTOMER266, which states "ATO system type must be specified," typically occurs in the context of Advanced Variant Configuration (AVC) or Assemble-to-Order (ATO) processes. This error indicates that the system is expecting a specific ATO system type to be defined, but it has not been provided in the configuration or order.
  
  Cause:
  
  Missing Configuration: The ATO system type has not been defined in the material master or in the configuration profile for the product.
  Incorrect Master Data: The material or product being configured may not have the necessary settings for ATO processing.
  Incomplete Order Data: When creating an order, the required fields related to ATO system type may not have been filled out.
  
  
  Solution:
  
  
  Check Material Master:
  
  Go to the material master record for the product in question (transaction code MM03).
  Ensure that the ATO system type is specified in the relevant views (e.g., Basic Data, Sales, or Plant data).
  
  
  
  Review Configuration Profile:
  
  Check the configuration profile