As per our research, Helldivers 2 error JSON mainly comes when users try to claim their Twitch Drop codes, but the error doesn’t let them get their Twitch drops.
First of all, as of now, developers haven’t shared anything officially on this error but as per us, this error has nothing to do with the users instead the error is coming because of some problem with their website.

Fixes For Helldivers 2 Error Code JSON
As we have mentioned above, as per our research this error has nothing to do with you, instead, it’s their system that is causing the error. If your Twitch Drop codes are in your Twitch inventory then you should not worry at all as it’s not going anywhere and you can eventually claim it once the system comes back to normal.
As the error is not coming from you so there is nothing you can do on your end to resolve the error. All you can do is to restart your system and continually try to redeem your drop codes after some interval. Many users have shared their experience of getting this error but when they tried it later it eventually worked.
FAQs | Frequently Asked Questions
Helldivers 2 error code JSON mainly comes while claiming Twitch Drop codes.
Helldivers 2 error code JSON prevents the users from claiming Twitch Drop codes.
Helldivers 2 error code JSON is a system side issue so there is nothing users can do on their end to resolve the problem. All users can try to restart their system and repeatedly try to claim Drop codes.
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