How To Fix DT618 - Generic buffering & (at least 2 key fields necessary)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 618

• Message text: Generic buffering & (at least 2 key fields necessary)

What causes this issue?

You chose generic buffering for a table which contains only one key
field. In generic buffering only the areas of a table are buffered
which correspond to the generic key fields (left-justified part of the
primary key). Generic buffering is therefore only meaningful if the
table has at least two key fields.

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?

Generic buffering is not possible. Please select either full buffering
or single-record buffering.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT618 - Generic buffering & (at least 2 key fields necessary) ?

  The SAP error message DT618, which pertains to "Generic buffering," typically indicates an issue with the buffering mechanism in SAP, particularly when it comes to accessing or modifying data that is buffered. This error can arise in various contexts, such as when trying to read or write data in a table that is set up for buffering.
  Cause:
  
  Buffering Configuration: The error often occurs when the buffering settings for a particular table are not correctly configured. If a table is set to be buffered but the application tries to access it in a way that is not compatible with the buffering settings, this error can occur.
  Data Inconsistency: If there are inconsistencies between the buffered data and the database, such as when data is changed directly in the database without updating the buffer, this can trigger the error.
  Missing Key Fields: The error message indicates that at least two key fields are necessary for the operation being performed. If these key fields are not provided or are incorrect, the buffering mechanism cannot locate the required data.
  
  Solution:
  
  Check Buffering Settings: Review the buffering settings for the relevant table in transaction SE11 (Data Dictionary). Ensure that the buffering is set up correctly and that the application logic aligns with these settings.
  Provide Key Fields: Ensure that the necessary key fields are included in the operation. If the operation requires at least two key fields, make sure they are correctly specified in the request.
  Refresh Buffer: If data inconsistencies are suspected, you can refresh the buffer. This can be done using transaction SE14 (Database Utility) to adjust the database and buffer settings.
  Debugging: If the issue persists, consider using the debugger to trace the program logic and identify where the error is occurring. This can help pinpoint whether the issue is with the data being accessed or the logic used to access it.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE38 (ABAP Editor for debugging).
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific version of SAP you are using.
  Documentation: Review SAP documentation on buffering and data access methods to understand how to properly configure and use buffering in your applications.
  
  By addressing the buffering configuration and ensuring that the correct key fields are provided, you can resolve the DT618 error and ensure smooth data access in your SAP environment.