How To Fix AXT_MODEL226 - Only tables with a cardinality of 1:N can be table extensible

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_MODEL -

• Message number: 226

• Message text: Only tables with a cardinality of 1:N can be table extensible

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 AXT_MODEL226 - Only tables with a cardinality of 1:N can be table extensible ?

  The SAP error message AXT_MODEL226 indicates that you are trying to extend a table in a way that is not allowed due to its cardinality. Specifically, the error states that only tables with a cardinality of 1:N (one-to-many) can be made extensible. This means that the table you are trying to extend is likely defined with a different cardinality, such as 1:1 (one-to-one) or N:M (many-to-many), which does not support extensibility.
  Cause:
  
  Cardinality Issue: The table you are attempting to extend has a cardinality that does not meet the requirement for extensibility. For example, if the table is designed to have a one-to-one relationship with another table, it cannot be extended in the same way as a one-to-many relationship.
  Modeling Constraints: The data model may have been designed with specific constraints that prevent extensibility for certain tables.
  
  Solution:
  
  Check Table Cardinality: Review the data model to understand the cardinality of the table you are trying to extend. You can do this by checking the relationships defined in the data model.
  Change the Data Model: If feasible, consider modifying the data model to change the cardinality of the table to 1:N. This may involve redesigning the relationships between tables.
  Use Alternative Approaches: If changing the cardinality is not possible, consider using alternative methods to achieve your goal. For example, you might create a new table that has a one-to-many relationship with the existing table and store the additional data there.
  Consult Documentation: Refer to SAP documentation or guidelines on extensibility and cardinality to ensure you are following best practices.
  
  Related Information:
  
  SAP Notes and Documentation: Check SAP Notes for any specific guidance or updates related to this error message. SAP's official documentation may also provide insights into how to handle extensibility and cardinality issues.
  Data Model Design: Understanding the principles of data modeling in SAP can help prevent such issues in the future. Familiarize yourself with concepts like cardinality, relationships, and extensibility.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By addressing the cardinality issue and considering alternative approaches, you should be able to resolve the error and proceed with your development work in SAP.