No more valid account

Hi to everyone, I tried to enter on my NAS TS-251D but the acces failed with the following message : Credential or account not anymore valid". I’m pretty sure teh credential are correct, and I’m able to access at myQNAPcloud, but not on the NAS local. Is there any possibility to reset or identify the correct account?

Thanks a lot in advence

see here

…I found the error, someone change the password without inform me.

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