how do you access debug mode is it in plugins
the debug mode drops dev messages and log information to track the plugin workflow and potential errors or conflicts.
With RPG Maker MV you can open the JS console with F12 and use there all the engine functions, watch and update data, and try the plugin commands and functions aswell.
While you are running the game with RPG Maker MV, you may press F12 and a developer console will pop up so you can use JavaScript language with the game to trace, and change the state of many contents.