How To Fix DMCLG818 - For table type '&1' a collective access plan is not supported

DMCLG818 - Overview

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 818

• Message text: For table type '&1' a collective access plan is not supported

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.

DMCLG818 - Details

• The SAP error message DMCLG818 indicates that a collective access plan is not supported for a specific table type. This error typically arises in the context of database operations, particularly when dealing with database tables that have certain characteristics or constraints.
  
  Cause:
  The error occurs when the system attempts to execute a collective access plan (which is a way to optimize access to multiple database tables in a single operation) on a table type that does not support this feature. This can happen for several reasons, including:
  
  Table Type Restrictions: The table in question may be a temporary table, a table with specific locking mechanisms, or a table that is not designed to be accessed collectively.
  Database Configuration: The underlying database may have limitations or configurations that prevent collective access plans from being utilized for certain table types.
  Query Structure: The SQL query or the ABAP code may be structured in a way that is