How To Fix AD819 - Delete database index for &-& and recreate

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 819

• Message text: Delete database index for &-& and recreate

What causes this issue?

The defined index is inconsistent, e.g. due to a change in the table
structure.

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?

Delete the defined index in the database and create it again.
Branch to the database utility (SE14). Select object class <LS>Tables</>
and enter the table name. Select <LS>Indexes</>. Enter the index code.
You can now edit the index with the function <LS>Delete,recreate</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD819 - Delete database index for &-& and recreate ?

  The SAP error message AD819, which states "Delete database index for &-& and recreate," typically occurs when there is an issue with a database index in the SAP system. This error can arise due to various reasons, such as inconsistencies in the database index, changes in the underlying data structure, or corruption of the index itself.
  Cause:
  
  Inconsistent Index: The index may not be in sync with the underlying data due to changes in the data structure or data manipulation.
  Corruption: The index may be corrupted, leading to errors when the system tries to access it.
  Database Changes: Changes in the database schema or updates that were not properly reflected in the index.
  Transport Issues: If the index was transported from one system to another, it might not have been created correctly.
  
  Solution:
  To resolve the AD819 error, you typically need to delete the problematic index and recreate it. Here are the steps to do this:
  
  
  Identify the Index: The error message will usually specify the index that is causing the issue. Note down the details provided in the message (the &-& part).
  
  
  Delete the Index:
  
  Use transaction code SE11 (Data Dictionary) or SE14 (Database Utility).
  Enter the name of the database table associated with the index.
  Navigate to the "Indexes" tab.
  Find the index that is causing the issue and delete it.
  
  
  
  Recreate the Index:
  
  After deleting the index, you can recreate it using the same transaction (SE11 or SE14).
  Ensure that the index is defined correctly according to the requirements of your application.
  
  
  
  Check for Errors: After recreating the index, check if the error persists. You may also want to run a consistency check on the database.
  
  
  Transport Changes: If this issue occurred in a development or quality assurance system, ensure that the changes are properly transported to the production system.
  
  
  Related Information:
  
  Database Administration: It is advisable to have a database administrator involved if you are not familiar with database operations.
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error. SAP frequently updates its knowledge base with solutions for known issues.
  Backup: Always ensure that you have a backup of your data before performing operations that modify the database structure.
  
  Additional Considerations:
  
  Performance Impact: Deleting and recreating indexes can impact system performance, especially in large databases. It is best to perform these operations during off-peak hours.
  Testing: After making changes, conduct thorough testing to ensure that the application behaves as expected and that no other issues arise.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.