How To Fix AD518 - No. of fields in key deleted. Can only be maintained for gen. buffering

AD518 - Overview

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 518

• Message text: No. of fields in key deleted. Can only be maintained for gen. buffering

What causes this issue?

You have changed the buffering type from <LS>generic</> to
<LS>resident</> or <LS>partial</>. As a result, data on the number of
key fields is deleted automatically. This information is not required
by the buffering type you have now selected.

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?

No action required.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD518 - No. of fields in key deleted. Can only be maintained for gen. buffering ?

  The SAP error message AD518 ("No. of fields in key deleted. Can only be maintained for gen. buffering") typically occurs in the context of database table buffering settings in SAP. This error indicates that there is an inconsistency in the key fields of a database table that is set for buffering.
  
  Cause:
  
  Key Field Deletion: The error arises when the number of key fields in a table has been reduced (i.e., fields have been deleted from the key) while the table is still set for buffering. SAP requires that if a table is buffered, the key fields must remain consistent.
  Buffering Settings: The buffering settings for the table may not be compatible with the changes made to the key fields. If the key fields are modified, the buffering settings need to be reviewed and potentially adjusted.
  
  
  Solution:
  
  Check Table Definition: Review the table definition in the Data Dictionary (SE11) to ensure that the key fields