Message type: E = Error
Message class:  ALSMEX - Message Class for Legacy Data Transfer 
Message number: 016
Message text: Current operating system is not Windows, Excel upload not possible
The current operating system is not compatible with Microsoft Windows.
Uploading your legacy data using Excel is therefore not possible.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Use the upload using CSV files, or install an operating system that is
compatible with Windows.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message ALSMEX016 indicates that the system is unable to perform an Excel upload because the current operating system is not Windows. This error typically occurs when you are trying to use the SAP GUI for Windows to upload data from an Excel file, but the environment does not support this functionality.
Cause: Operating System: The error is primarily caused by running the SAP GUI on a non-Windows operating system (e.g., Linux, macOS) where the Excel upload functionality is not supported. SAP GUI Version: If you are using a version of SAP GUI that does not support Excel uploads on your operating system, this error may also occur.
Configuration Issues: There may be configuration issues in the SAP system or the way the GUI is set up.
Solution: Use Windows OS: The simplest solution is to perform the Excel upload from a Windows operating system. If you have access to a Windows machine, try
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