How To Fix HH074 - This 'not null' constraint is 'disabled'

SAP Error Message - Details

• Message type: E = Error

• Message class: HH - (Long) text for check tool 'infcfgcheck'

• Message number: 074

• Message text: This 'not null' constraint is 'disabled'

What causes this issue?

The specified 'Not Null' constraint is still defined, but it is
currently 'disabled'. This may lead to minor inconsistencies.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Determine whether the corresponding is still in us (that is, it is not
a test or demo table).
If yes, 'enable' the constraint as follows:
Access the constraint definition using 'dbschema'
Set the constraint using 'set constraint for ... enabled' in 'dbaccess'

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HH074 - This 'not null' constraint is 'disabled' ?

  The SAP error message HH074, which states "This 'not null' constraint is 'disabled'," typically occurs in the context of database operations where a 'not null' constraint is expected to be enforced, but it has been disabled for some reason. This can lead to issues when trying to insert or update records in a database table where certain fields are expected to have values.
  Cause:
  
  Database Configuration: The 'not null' constraint may have been explicitly disabled in the database schema. This can happen during database migrations, updates, or manual changes to the database structure.
  Data Model Changes: Changes in the data model or application logic that do not align with the existing database constraints can lead to this error.
  Temporary State: The constraint might be temporarily disabled for maintenance or data migration purposes, and the application is trying to enforce it while it is still disabled.
  
  Solution:
  
  Check Database Schema: Review the database schema to confirm the status of the 'not null' constraint. You can use SQL queries to check the constraints on the relevant table.
  Re-enable the Constraint: If the constraint was disabled intentionally and is no longer needed to be disabled, you can re-enable it using SQL commands. For example:
  ALTER TABLE your_table_name
  MODIFY your_column_name NOT NULL;
  
  Data Validation: Ensure that the data being inserted or updated complies with the 'not null' constraint. If the application logic allows null values where they are not permitted, you may need to adjust the application code.
  Consult Documentation: Review SAP documentation or consult with your database administrator to understand the implications of enabling or disabling constraints in your specific environment.
  Error Handling: Implement error handling in your application to manage situations where constraints are violated, providing meaningful feedback to users.
  
  Related Information:
  
  Database Management: Understanding how to manage database constraints is crucial for maintaining data integrity.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Testing: After making changes, thoroughly test the application to ensure that the issue is resolved and that no new issues have been introduced.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support or a database expert for further assistance.