How To Fix AD851 - Table & (first delete data and database table)

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 851

• Message text: Table & (first delete data and database table)

What causes this issue?

The database table to be deleted still contains data.

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?

First delete the data in this table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD851 - Table & (first delete data and database table) ?

  The SAP error message AD851 indicates that there is an issue with a database table in the SAP system. Specifically, the message suggests that you need to delete data from the specified table before you can perform certain operations, such as deleting the table itself or making structural changes.
  Cause:
  The error typically occurs in the following scenarios:
  
  Data Exists: The table you are trying to modify or delete still contains data. SAP does not allow the deletion of a table that has existing entries.
  Foreign Key Constraints: There may be foreign key constraints that prevent the deletion of data from the table.
  Table Locking: The table might be locked by another process or user, preventing modifications.
  
  Solution:
  To resolve the AD851 error, you can follow these steps:
  
  
  Check for Data:
  
  Use transaction code SE11 (Data Dictionary) to check if the table contains any data.
  If it does, you will need to delete the data before proceeding.
  
  
  
  Delete Data:
  
  You can delete the data using transaction SE16 (Data Browser) or SE11.
  If you have a large amount of data, consider using a program or a batch job to delete the records efficiently.
  
  
  
  Check Foreign Key Constraints:
  
  If the table is referenced by other tables, you may need to delete or update those references first.
  Use transaction SE11 to check the foreign key relationships.
  
  
  
  Table Locking:
  
  Ensure that no other users or processes are locking the table. You can check for locks using transaction SM12 (Display and Delete Locks).
  
  
  
  Delete the Table:
  
  Once the data is deleted and any constraints are resolved, you can proceed to delete the table using transaction SE11.
  
  
  
  Backup: 
  
  Always ensure you have a backup of your data before performing deletions, especially in a production environment.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SE11: Data Dictionary
  SE16: Data Browser
  SM12: Display and Delete Locks
  
  
  Documentation: Refer to SAP Help Portal or your organization's SAP documentation for more detailed instructions on managing database tables.
  Support: If you are unsure or if the issue persists, consider reaching out to your SAP Basis team or SAP support for assistance.
  
  By following these steps, you should be able to resolve the AD851 error and proceed with your intended operations on the database table.