How To Fix C1072 - Characteristic & already linked to this table field

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 072

• Message text: Characteristic & already linked to this table field

u1AUSE&
You want to create a link between characteristic &v4& and field &v3& in
table &v2&. The system checked the characteristics master data table
and discovered that characteristic &v1& is already linked to this table
field. Only one characteristic can be linked to a table field.

System Response

Use characteristic &v1& or remove the link to the table field in this
characteristic.

System Response

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 C1072 - Characteristic & already linked to this table field ?

  The SAP error message C1072, which states "Characteristic & already linked to this table field," typically occurs in the context of SAP's classification system, particularly when working with characteristics and their assignments to table fields in the classification system (like in the classification of materials or other objects).
  Cause:
  This error arises when you attempt to link a characteristic to a table field that is already linked to that characteristic. In SAP, each characteristic can only be linked to a specific table field once. If you try to create a duplicate link, the system will throw this error.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Links: 
  
  Go to the transaction code CT04 (for characteristics) or CT05 (for classes) in SAP.
  Look for the characteristic that is causing the error and check its existing links to table fields.
  Ensure that the characteristic is not already linked to the table field you are trying to link it to.
  
  
  
  Remove Duplicate Links:
  
  If you find that the characteristic is already linked to the table field, you can either:
  
  Remove the existing link if it is not needed.
  Choose a different table field for the characteristic that does not already have a link.
  
  
  
  
  
  Modify the Characteristic:
  
  If you need to change the characteristic's configuration, you can do so by editing the characteristic in the classification view and adjusting its settings as necessary.
  
  
  
  Consult Documentation:
  
  If you are unsure about the implications of removing or changing links, consult the SAP documentation or your organization's SAP support team for guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CT04 (Create/Change Characteristic), CT05 (Create/Change Class), and CL02 (Change Class).
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to characteristics and their links in the SAP system.
  
  By following these steps, you should be able to resolve the C1072 error and successfully manage your characteristics and their links in SAP.