Message type: E = Error
Message class:  CNV_CDMC_UCIA - CDMC Upgrade/Change Impact Analysis 
Message number: 160
Message text: Error while reading file.
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_CDMC_UCIA160 typically indicates an issue encountered while trying to read a file during a data conversion or migration process, particularly in the context of the SAP Conversion and Migration tools. This error can arise due to various reasons, including file path issues, file format problems, or permission settings. Possible Causes: File Path Issues: The specified file path may be incorrect or the file may not exist at the specified location. File Format: The file may not be in the expected format or may be corrupted. Permissions: The user or the SAP system may not have the necessary permissions to access the file. File Locking: The file might be locked by another process or user, preventing it from being read. Network Issues: If the file is located on a network drive, there may be connectivity issues. Solutions: Verify File Path: Check the file path specified in the configuration to ensure it is correct and that
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_CDMC_UCIA159 The mentioned file does not exist in the system.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CDMC_UCIA158 Activity aborted because of wrong sequence header.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CDMC_UCIA161 File transfer refused.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CDMC_UCIA162 File 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...
Click on this link to search all SAP messages.