: This means E-Sys cannot find the folders. Check your paths. The folder must be C:\Data\psdzdata\swe , not C:\Data\psdzdata\psdzdata\swe .
Once the files are in place, confirm E-Sys is looking at the right drive: Open E-Sys and go to Select the Directories Ensure the "Data: path" is set to 4. Compatibility Notes E-Sys Version : Versions of PSdZData from v.4.17.20 and newer (including your v.4.27.20) generally require E-Sys 3.30.0 or higher v42720 psdzdata lite download work
How to Get v42.7.20 PSdZData Lite Downloading and Working for BMW Coding : This means E-Sys cannot find the folders