How To Fix SMTTOOLS151 - Primary Key does not exist or has already been dropped

SMTTOOLS151 - Overview

• Message type: E = Error

• Message class: SMTTOOLS - Multi Tenancy tools

• Message number: 151

• Message text: Primary Key does not exist or has already been dropped

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 SMTTOOLS151 - Primary Key does not exist or has already been dropped ?

  The SAP error message SMTTOOLS151 indicates that a primary key for a specific table does not exist or has already been dropped. This error typically occurs in the context of data replication or when working with the SAP Landscape Transformation (SLT) tool, which is used for real-time data replication.
  
  Cause:
  
  Primary Key Dropped: The primary key for the table in question has been removed or altered in the source system.
  Incorrect Configuration: The configuration for the SLT replication might be incorrect, leading to the system not recognizing the primary key.
  Table Structure Changes: Changes in the table structure (like renaming or dropping columns) that were not properly reflected in the SLT configuration.
  Replication Setup Issues: Issues during the initial setup of the replication process, where the primary key was not correctly defined or recognized.
  
  
  Solution:
  
  Check Table Structure: Verify the structure of the source table in the database to ensure that the primary key exists. You can