Message type: E = Error
Message class:  USMD_FIN_S4MIG -  
Message number: 014
Message text: Switch &1 is not active, no migration processing
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.
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.
The SAP error message USMD_FIN_S4MIG014 indicates that a specific switch (in this case, &1) is not active, which prevents migration processing from occurring. This error typically arises during the migration process to SAP S/4HANA, particularly when using the Migration Cockpit or other migration tools.
Cause: The error occurs because the required business function or switch that enables the migration process is not activated in the system. In SAP S/4HANA, certain functionalities are controlled by switches, and if the relevant switch is not active, the system will not allow the migration to proceed.
Solution: To resolve this error, you need to activate the relevant switch. Here are the steps to do so: Identify the Switch: Determine which switch corresponds to the error message. The placeholder &1 in the error message will typically be replaced with the actual switch name in the system. Access the Switch Framework: Go to transaction code SFW5 (Switch Framework). In the Switch Framework, you will
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
USMD_FIN_S4MIG013 COA &2: Account group &1 for sec. cost elements must be defined (T077s)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
USMD_FIN_S4MIG012 Error in determination of table names from model
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
USMD_FIN_S4MIG015 Group account &1/&2/&3 does not exist.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
USMD_FIN_S4MIG016 Group account can not be determined (table T030).
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.