How To Fix FSH_ARUN_MSG031 - Table &1 is not in customer namespace

SAP Error Message - Details

• Message type: E = Error

• Message class: FSH_ARUN_MSG - ARUN Message Class

• Message number: 031

• Message text: Table &1 is not in customer namespace

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FSH_ARUN_MSG031 - Table &1 is not in customer namespace ?

  The SAP error message FSH_ARUN_MSG031 indicates that a specific table (denoted by &1) is not in the customer namespace. This typically occurs when you are trying to access or modify a table that is part of the SAP standard or is not defined in the customer-specific namespace.
  Cause:
  
  Namespace Issue: In SAP, objects (like tables, programs, etc.) are organized into namespaces. The customer namespace is usually defined for custom developments (e.g., Z or Y objects). If you are trying to access a standard SAP table or a table that is not defined in your customer namespace, you will encounter this error.
  Development Environment: If you are working in a development environment and trying to create or modify a table that is not allowed due to namespace restrictions, this error will occur.
  Transport Issues: If you are trying to transport objects that reference a table not in the customer namespace, it may lead to this error.
  
  Solution:
  
  Check Table Name: Verify the name of the table you are trying to access. If it is a standard SAP table, you should not attempt to modify it directly. Instead, consider creating a custom table in your customer namespace.
  Use Custom Namespace: If you need to create a similar table, use the Z or Y prefix to create a custom version of the table in your customer namespace.
  Review Code: If this error arises from custom code, review the code to ensure that it is not trying to access standard tables directly. Instead, use appropriate APIs or BAPIs provided by SAP.
  Consult Documentation: Check SAP documentation or notes related to the specific table or functionality you are working with to understand the correct approach.
  Contact SAP Support: If you believe this is an error or if you need further assistance, consider reaching out to SAP support for guidance.
  
  Related Information:
  
  Namespaces in SAP: Understanding the concept of namespaces in SAP is crucial. The customer namespace is reserved for custom developments, while standard SAP objects reside in the standard namespace.
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide additional context.
  Development Guidelines: Familiarize yourself with SAP's development guidelines to ensure compliance with best practices when creating custom objects.
  
  By following these steps, you should be able to resolve the error and proceed with your development tasks in SAP.