How To Fix AD607 - Field & may not be a key field

AD607 - Overview

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 607

• Message text: Field & may not be a key field

What causes this issue?

You have defined the data field as a key field.

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 key indicator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD607 - Field & may not be a key field ?

  The SAP error message AD607 ("Field & may not be a key field") typically occurs when there is an attempt to define a field as a key field in a database table or structure, but the field does not meet the necessary criteria to be a key field. This can happen in various contexts, such as when creating or modifying database tables, views, or structures in the Data Dictionary (SE11).
  
  Cause:
  
  Field Type: The field may not be of a type that can be used as a key field. For example, key fields usually need to be of a certain data type (e.g., character, numeric) and should not be nullable.
  Field Length: The length of the field may not be appropriate for a key field. Key fields often have specific length requirements.
  Field Properties: The field may have properties that disqualify it from being a key field, such as being a reference field or