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download rpgm xp rtp. if u accidentally added the wrong rtp, go to joiplay settings, and there will be an option like clear or reset runtime package. after that you can tap on ur game and then add the correct rtp.

oh and add the rtp, search up rpgmaker xp rtp and download it, and add it from joiplay. joiplay should tell you to put an rtp when you launch the game for the first time

I got the same error. Please bro someone find a solution

Download the game and unzip the file, Download joiplay and joiplay rpg maker plugin from joiplay.net. then open joiplay and press add game, choose the didnapper file, then the game.exe. after that, tap on the game, then it will say extract archive, so press extract, should be good. that worked for me. And if you run into an issue where it says "cant open file", install RAR and extract the file from there and then you can put the game to joiplay. Hope this works for u