How To Fix RSAR728 - Fixed value contains the forbidden character &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 728

• Message text: Fixed value contains the forbidden character &

What causes this issue?

You have tried to use the forbidden character &V1& in field <ls>Fixed
value</>.
The following characters are not permitted in the field <ls>Fixed
value</>:
<zh>'</>

System Response

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

How to fix this error?

Remove the forbidden character from the field <ls>Fixed value</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR728 - Fixed value contains the forbidden character & ?

  The SAP error message RSAR728 indicates that a fixed value contains a forbidden character, specifically the ampersand (&). This error typically occurs in the context of data extraction or transformation processes, particularly when working with SAP BW (Business Warehouse) or SAP BI (Business Intelligence).
  Cause:
  The error arises when a fixed value in a selection or filter criteria includes the ampersand character. In SAP, the ampersand is often used as a special character for variable substitution or for defining dynamic selections. Therefore, its presence in fixed values can lead to confusion or misinterpretation by the system.
  Solution:
  To resolve the RSAR728 error, you should take the following steps:
  
  
  Identify the Source: Determine where the fixed value is being set. This could be in a query, a data source, or a transformation rule.
  
  
  Remove or Replace the Ampersand: 
  
  If the ampersand is not necessary, simply remove it from the fixed value.
  If the ampersand is required for the data, consider replacing it with an alternative character or encoding it properly, if applicable.
  
  
  
  Check for Other Special Characters: Ensure that there are no other forbidden characters in the fixed value. Common forbidden characters may include:
  
  Semicolon (;)
  Comma (,)
  Quotes (single or double)
  
  
  
  Test the Changes: After making the necessary adjustments, re-run the process that triggered the error to confirm that the issue has been resolved.
  
  
  Documentation and Best Practices: Document the changes made and consider implementing best practices for naming conventions and value assignments to avoid similar issues in the future.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error. SAP frequently updates its knowledge base with solutions for common issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Documentation: Review the official SAP documentation for guidelines on using special characters in fixed values and variable handling.
  
  By following these steps, you should be able to resolve the RSAR728 error and prevent it from occurring in the future.