Run-time error '1004' - Programmatic access to Visual Basic Project is not trusted

This error appears on Office 2016 or Office 2019 on the Mac version.

This error is due to the addition of a security option in the Office options by Microsoft.

To solve your problem, please follow this procedure below :

1- Click on Excel menu

2- Click on Preferences

2- In the section Sharing and privacy, click on Security

3- Then check Enable all macros (...) and Trust access to the VBA project object model

You can now open XLSTAT securely.