Errors on the change password form

[XioNoX]

I'm currently experiencing a problem similar as described there: #985 but I can't reopen it.

On joindiaspora.com, after clicking on the reset password link sent by email and then submitting a new password I get this :

4 errors prohibited this user from being saved:
Username can't be blank
Username is already taken.
Username is invalid. We only allow letters, numbers, and underscores.
Language is not included in the list

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Of course my password is not changed.

[ekwas]

I'm getting it, too,

Change your password
4 errors prohibited this user from being saved:
Username can't be blank
Username is already taken.
Username is invalid. We only allow letters, numbers, and underscores.
Language is not included in the list

[mitfik]

I can also confirm this bug.

[dangold1138]

duplicate of #2481