How To Fix /BOBF/DAC020 - Not supported by Legacy DAC: Node &1 uses persistency mapping

/BOBF/DAC020 - Overview

• Message type: E = Error

• Message class: /BOBF/DAC -

• Message number: 020

• Message text: Not supported by Legacy DAC: Node &1 uses persistency mapping

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/DAC020 - Not supported by Legacy DAC: Node &1 uses persistency mapping ?

  The SAP error message /BOBF/DAC020 Not supported by Legacy DAC: Node &1 uses persistency mapping typically occurs in the context of the Business Object Processing Framework (BOPF) when there is an issue with the data access layer (DAC) configuration for a specific node in a BOPF business object.
  
  Cause:
  
  Persistency Mapping: The error indicates that the node specified (represented by &1) is using persistency mapping, which is not supported by the legacy Data Access Component (DAC). This usually happens when the BOPF business object is trying to access data in a way that is incompatible with the legacy DAC.
  
  Configuration Issues: There may be a misconfiguration in the BOPF model or the underlying data model that leads to this incompatibility.
  Versioning: The BOPF model may be using features or configurations that are not supported in the version of the SAP system you are using.
  
  
  Solution:
  
  Check Node Configuration: Review the configuration of the node in the