How To Fix C1851 - Value "&" cannot be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 851

• Message text: Value "&" cannot be deleted

What causes this issue?

In the part of the hierarchy you are editing, you want to delete value
'&V1&'. However, this value is assigned to the characteristic in a
subordinate section of the hierarchy. To maintain consistency of data,
you are not allowed to delete this value.

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?

Do not delete characteristic value '&V1&'. If you really want to delete
the value in this branch of the hierarchy, you have to change the
subordinate branches in the hierarchy first. Once the value does not
exist in these subordinate branches, you can delete the value.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1851 - Value "&" cannot be deleted ?

  The SAP error message C1851, which states "Value '&' cannot be deleted," typically occurs when you attempt to delete a value from a table or a list in SAP that is either being used or is not allowed to be deleted due to certain constraints.
  Causes:
  
  
  Value in Use: The value you are trying to delete is currently being referenced in other transactions or records. For example, if the value is part of a configuration, master data, or transactional data, it cannot be deleted until those references are removed.
  
  
  System Restrictions: Some values are protected by the system due to business rules or configurations. For instance, certain standard values or key entries may be locked from deletion to maintain data integrity.
  
  
  Authorization Issues: You may not have the necessary permissions to delete the value, which can lead to this error message.
  
  
  Data Consistency: The system may prevent deletion to maintain data consistency across related tables