Message type: E = Error
Message class:  CNV20600 - message class for package 20600 
Message number: 250
Message text: File & not found
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 CNV20600250, which states "File & not found," typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools or during the execution of specific programs that require external files. Here’s a breakdown of the cause, potential solutions, and related information:
Cause: File Path Issues: The specified file path may be incorrect or the file may not exist in the specified location. File Permissions: The user or process executing the program may not have the necessary permissions to access the file. File Naming: The file name may be misspelled or formatted incorrectly. Environment Issues: The file may be located on a different server or environment that is not accessible from the current system. Configuration Errors: The configuration settings in the migration tool or program may not be set up correctly, leading to the system looking for the wrong file.
Solution: Verify File Path: Check the file path specified in the program
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV20600208 Error while modifying program &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20600207 Program &1 was included in status management in phase &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20600251 Error during upload
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20600350 &1 data records were saved in file &2
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.