It has been solved. apparently the nickname was too long
Posts by lieutenant joseph
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So i installed the TL launcher, put the proper version that the server is running on, then i put the aternos IP
then i got this error, i restarted the laptop and made sure that a certain java program was running, i was informed by a tab this time that something happened, but i didnt figure out what, yet now i see that javascript is not running, and that it should have been downloaded with the Tl launcher like last time, if that is the problem, please tell me how to install it and run it again