How To Fix RSAR492 - Field name & is too long (length > 16 characters)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 492

• Message text: Field name & is too long (length > 16 characters)

What causes this issue?

Field names in the transfer structure can be a max of 16 characters long
. Field name &v1& in transfer structure &v2& has a length of &v3&.
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System Response

The system terminates activation of the transfer rule.

How to fix this error?

Choose a field name with a length of maximum 16 characters.
If the transfer rule is one provided by SAP, contact SAP Support.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR492 - Field name & is too long (length > 16 characters) ?

  The SAP error message RSAR492 indicates that a field name exceeds the maximum allowed length of 16 characters. This error typically occurs in the context of data extraction or data transfer processes, particularly when working with SAP BW (Business Warehouse) or SAP Data Services.
  Cause:
  The primary cause of this error is that a field name defined in your data model, data source, or transformation logic exceeds the 16-character limit imposed by SAP. This can happen when:
  
  You are trying to create or modify a data source or InfoObject with a field name that is too long.
  You are using a custom field or a derived field in a transformation that has a name longer than 16 characters.
  
  Solution:
  To resolve the RSAR492 error, you can take the following steps:
  
  
  Identify the Field: Check the error message for the specific field name that is causing the issue. The message will typically indicate which field is too long.
  
  
  Rename the Field: If you have control over the field definition, rename the field to ensure it is 16 characters or fewer. This may involve:
  
  Modifying the field name in the data source or InfoObject.
  Adjusting any transformations or mappings that reference the field.
  
  
  
  Check Data Sources and Transformations: Review any data sources, transformations, or queries that may be using the long field name. Ensure that all references to the field are updated accordingly.
  
  
  Test the Changes: After making the necessary changes, test the data extraction or transfer process again to ensure that the error is resolved.
  
  
  Documentation: Document the changes made to the field names for future reference and to inform other team members.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on naming conventions and limitations for field names in SAP BW and other modules.
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this error.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the RSAR492 error and ensure that your field names comply with SAP's length restrictions.