How To Fix DT207 - Key does not fulfill the requirements for a transparent table

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 207

• Message text: Key does not fulfill the requirements for a transparent table

What causes this issue?

The key for the table is incorrect. Probably more than 16 key fields
were defined. Such a situation can occur, for example, when you try to
convert a structure into a transparent table.

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 fields from the key.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT207 - Key does not fulfill the requirements for a transparent table ?

  The SAP error message DT207 indicates that a key field in a transparent table does not meet the necessary requirements for a primary key. This error typically arises during the creation or modification of a transparent table in the Data Dictionary (SE11) when the key fields do not adhere to the constraints set by SAP.
  Cause of the Error:
  
  
  Key Field Requirements: In SAP, a transparent table must have a primary key that uniquely identifies each record. The key fields must meet certain criteria:
  
  They should not allow null values.
  They should be defined with the appropriate data types.
  The combination of key fields must be unique.
  
  
  
  Data Type Issues: The data types of the key fields may not be compatible with the requirements for a primary key.
  
  
  Field Length: The length of the key fields may exceed the maximum allowed length for a primary key.
  
  
  Non-Unique Fields: If the fields defined as keys do not guarantee uniqueness across the table, this error will occur.
  
  
  Solution:
  To resolve the DT207 error, follow these steps:
  
  
  Check Key Field Definition:
  
  Go to transaction SE11 and open the table definition.
  Ensure that the fields defined as keys are marked as "Key" in the field properties.
  
  
  
  Ensure Uniqueness:
  
  Verify that the combination of key fields will always result in a unique value for each record in the table.
  
  
  
  Data Type and Length:
  
  Check the data types of the key fields. Ensure they are appropriate for a primary key.
  Ensure that the length of the key fields does not exceed the maximum allowed length.
  
  
  
  Null Values:
  
  Ensure that none of the key fields allow null values. You can set the "Not Null" property for these fields.
  
  
  
  Recreate the Table:
  
  If the above checks do not resolve the issue, consider recreating the table with the correct key field definitions.
  
  
  
  Transport Requests:
  
  If you are working in a development environment, ensure that any changes are properly transported to the quality and production environments.
  
  
  
  Related Information:
  
  Transparent Tables: These are database tables that have a one-to-one relationship with the underlying database table. They are used to store application data.
  Primary Key: A primary key is a field (or combination of fields) that uniquely identifies a record in a table.
  Data Dictionary (SE11): This is the SAP transaction used to manage database objects, including tables, views, data elements, and domains.
  
  If you continue to experience issues after following these steps, consider consulting SAP documentation or reaching out to your SAP Basis or ABAP team for further assistance.