How To Fix EM166 - Insert is not possible - maximum entry of 5 migration objects

EM166 - Overview

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 166

• Message text: Insert is not possible - maximum entry of 5 migration objects

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 EM166 - Insert is not possible - maximum entry of 5 migration objects ?

  The SAP error message EM166, which states "Insert is not possible - maximum entry of 5 migration objects," typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that you are trying to insert more migration objects than the allowed limit.
  
  Cause:
  The error is caused by attempting to insert more than the maximum allowed number of migration objects in a single migration run. In this case, the limit is set to 5 migration objects. This restriction is in place to ensure that the migration process remains manageable and does not overwhelm the system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Migration Objects: Check the migration objects you are trying to insert. Ensure that you are not exceeding the limit of 5 objects in a single migration run.
  
  
  Split Migration Runs: If you have more than 5 migration objects, consider splitting