Update 11/29/2022: I was finally able to register my card just now. Left out the underscore and used the full width characters and was able to register. I think I lucked out because either my account finally timed out or I tried playing after an update. When I played the game, it asked if I wanted to migrate my account and was able to change my name then. Though being in PST and playing later in the night, it seemed to require a date in JST so had to pick the date after when I played.

Update 07/30/2022: tried again after over 2 weeks since I last tried at a different arcade. The Groove Coaster machine there was online and recognized my card and got my progress, but trying to register still did not work. I'll have to look out for other games that I could use the card on and try my luck with those. I think trying to link my card with just Groove Coaster is a lost cause at this point.

A nearby arcade has a Groove Coaster machine that's connected online and sells Nesica cards. I have been able to use it in the game and it seems to have recognized and saved my progress so all seems good.

However when I try to register my card with my account, I cannot complete registration since because I get "The card name is invalid" (カード名が不正です) error. In the game, I registered with the name "Appl_Jax" and I fear the underscore is causing problems.

How can I register my card now?

As far as I can tell, I cannot change the name associated with the card in the game, and the site just refuses to accept my card info. Or perhaps I'm going through the wrong settings? I tried using different underscore characters, just in case it only recognized a particular one, I tried changing the date to what is technically tomorrow for me and that didn't work either. The name itself seems to be correct because if I try any other name, I get a "Could not authenticate." (認証できませんでした。) error. I guess I need to wait two weeks for the system to forget about my info and try again?

registration jp



error jp



  • To be clear, I played around 8pm-10pm PDT (-7:00) on 13 of July. Maybe time zones could have played a part in this, but changing the date around didn't seem to make a difference. Commented Jul 14, 2022 at 7:36
  • Also tried putting in Groove Coaster Series for the "other game" and that didn't help. The dropdown as far as I can tell doesn't have another "groove coaster" entry that I might be confusing. Commented Jul 14, 2022 at 7:49
  • did you manage to solve this? Im in the exact same situation..
    – Insaniac
    Commented Jul 30, 2022 at 21:50
  • @Insaniac unfortunately no not yet. I did go back to the another arcade today that had groove coaster after about two weeks since the last time I went and used the card. I'll try again to see if it works out. Unfortunately the game still recognized my card and my original name so wasn't able to change it, but hopefully going to another location would help. Commented Jul 31, 2022 at 6:03

2 Answers 2


Native Japanese here.

There's nothing wrong with using underscore, but you have to use full-width character (which is, I believe, no way to type it in English keyboard).

Try it with "Appl_Jax" and see if it succeeds.

  • Thanks! I'll give it a shot. Commented Jul 14, 2022 at 9:01
  • Looks like it's the same error unfortunately. Can you confirm that the settings appear to be correct? Groove Coaster was the only game I was able to use the card with so I chose that as the "final game" and none for "other games." Commented Jul 14, 2022 at 9:05
  • @JeffMercado Yeah, I think it's correct. Maybe what you said in comments (the time zone one) is doing something here. JST is GMT+9, so maybe change it to 14th of July and see if that works?
    – Skye-AT
    Commented Jul 14, 2022 at 9:08
  • Yeah, I tried to no avail. This reddit thread seems to indicate that it would work if I tried later on in my time zone. I'll try again after 12 hours or so. Commented Jul 14, 2022 at 9:10
  • Hmm. Strange. OK, tell me if it worked. By the way, what's the reason behind your area of residence being Hokkaido? The guide that your link has (just in case you didn't notice, it's this comment) is suggesting to set the area of residence to "その他"(Others; generally means overseas).
    – Skye-AT
    Commented Jul 14, 2022 at 9:23

For whatever reason, it didn't seem to like something about the name I used, the card I had, where I played, when I played, or a combination of the four. I was finally able to register my card.

When I registered, I used the name I wanted but without the underscore and full width characters, and picked the date after the day I played considering I'm in PST and it was expecting JST date. Also, when I played, I happened to play after an update which required a migration of some sort so I was able to change my name then. Also played on a completely new machine that I haven't tried. So unless you're willing to risk it, try to keep the name as simple as possible and mind the date.

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