Two common solutions to Mac issues are permissions related. Try moving the game into your "applications" folder, or assigning read/write permissions to the game folder. This link should help with changing the permissions. https://support.apple.com/en-ca/guide/mac-help/mchlp1203/mac
However, if you are running on a Mac OS version 11 or later, it may not be possible to run the game, as support for Mac OS ended for RPG Maker MV. In which case, you may have to run the web version instead. It has an issue with the character creator plugin and won't change the players sprite to match it's appearance, but otherwise works fine as far as I know. The following link may be needed to run the web version. https://www.reddit.com/r/RPGMaker/comments/dqvdqo/fix_error_failed_to_load_dataactorsjson/