How To Fix R1302 - Application object &1: Field &2 is assigned to multiple field groups

SAP Error Message - Details

• Message type: E = Error

• Message class: R1 - Business Partner Messages from S_BUPA_GENERAL

• Message number: 302

• Message text: Application object &1: Field &2 is assigned to multiple field groups

What causes this issue?

With application object &V1&, table field &V2& is assigned to several
field groups. Unique determination of the field status for the field is
thus impossible.

System Response

You get an error message.

How to fix this error?

Change the assignments field group->field so that table field &V2& is
assigned to one field group only.

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 R1302 - Application object &1: Field &2 is assigned to multiple field groups ?

  The SAP error message R1302 indicates that a specific field in an application object is assigned to multiple field groups, which is not allowed. This can occur in various contexts, such as when defining data elements, structures, or screen fields in SAP.
  Cause:
  The error arises when:
  
  A field is mistakenly assigned to more than one field group in the same context, which can lead to ambiguity in data handling.
  There may be a misconfiguration in the data dictionary or screen layout where the field is defined.
  
  Solution:
  To resolve the R1302 error, you can follow these steps:
  
  
  Identify the Field and Field Groups:
  
  Check the error message details to identify the specific application object and the field causing the issue.
  Determine which field groups the field is assigned to.
  
  
  
  Review Field Group Assignments:
  
  Go to the relevant data dictionary object (like a structure or table) and check the field assignments.
  Ensure that the field is only assigned to one field group. If it is assigned to multiple groups, you will need to decide which assignment is appropriate.
  
  
  
  Modify Field Group Assignments:
  
  If the field is indeed assigned to multiple field groups, you will need to remove the field from one of the groups.
  This can typically be done in the screen painter or by modifying the data dictionary object directly.
  
  
  
  Check for Dependencies:
  
  Ensure that removing the field from one field group does not affect other parts of the application or data processing logic.
  
  
  
  Transport Changes:
  
  If you are working in a development environment, ensure that your changes are transported to the appropriate systems (e.g., quality assurance, production) after testing.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, test the application to ensure that the error is resolved and that the application functions as expected.
  
  
  
  Related Information:
  
  Field Groups: In SAP, field groups are used to group fields together for processing, especially in screen layouts. Each field can only belong to one field group to avoid conflicts.
  Data Dictionary: The data dictionary (SE11) is where you can manage data elements, domains, tables, and structures in SAP.
  Screen Painter: The screen painter (SE80) is used to design and modify screens in SAP applications, where you can manage field group assignments.
  
  If you continue to experience issues after following these steps, consider consulting SAP documentation or reaching out to your SAP support team for further assistance.