How To Fix COM_ATTRFRG_GEN217 - Attribute &1 not suitable as key field due to attribute type

COM_ATTRFRG_GEN217 - Overview

• Message type: E = Error

• Message class: COM_ATTRFRG_GEN - Message Class for Generating Attributes and Sets

• Message number: 217

• Message text: Attribute &1 not suitable as key field due to attribute type

What causes this issue?

Do not use any attributes with the types checkbox (ANKR), quantity
(QUAN), short string (SSTR) or amount (CURR) as the key fields of a set
type.

System Response

Your entries are rejected.

How to fix this error?

Use an attribute of another type.

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.

COM_ATTRFRG_GEN217 - Details

• The SAP error message COM_ATTRFRG_GEN217 indicates that the attribute specified (denoted as &1) is not suitable to be used as a key field due to its attribute type. This typically occurs in the context of SAP's master data management, particularly when working with characteristics in classification or when defining key fields in various data models.
  
  Cause:
  The error is caused by attempting to use an attribute that is not compatible with the requirements for a key field. Key fields in SAP must meet certain criteria, such as being unique and having a specific data type. Common reasons for this error include:
  
  Incompatible Data Type: The attribute may be of a type that cannot be used as a key (e.g., text fields, long texts, or certain complex data types).
  Non-Unique Values: The attribute may not guarantee uniqueness, which is a requirement for key fields.
  Incorrect Configuration: The attribute may not be configured correctly in the system,