Message type: E = Error
Message class:  CNV_MBT_46 - PCL message class 
Message number: 354
Message text: Include &1 could not be copied
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 CNV_MBT_46354 with the description "Include &1 could not be copied" typically occurs during the execution of a conversion or migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is unable to copy a specific include program or structure, which can be due to various reasons. Causes: Missing Include: The specified include file (&1) may not exist in the system. Authorization Issues: The user executing the migration may not have the necessary authorizations to access or copy the include. Transport Issues: The include might be part of a transport request that has not been imported into the target system. System Configuration: There may be inconsistencies in the system configuration or setup that prevent the include from being copied. Version Compatibility: The include may not be compatible with the current version of the SAP system. Solutions: Check for Existence: Verify if the include file
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_MBT_46353 Unable to unprotect user code
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_MBT_46352 Unable to set editor in protected mode
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_MBT_46355 Copy procedure was cancelled
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_MBT_46356 Only field level assignment is allowed for this rule
What causes this issue?  The rule has more than one importing parameters and hence only field level assignments can be done.System Response  Domain le...
Click on this link to search all SAP messages.