Help to change mail

Dear Friends y need your Help
MAIL TO ADMINISTRATOR

I’m mgros user. I have tried to change my account email but I have done a mistake and now I can’t access without any of both mail accounts, probably I have write one non-existent mail account.

PLEASE HELP
Could you change to the user mgros mail?

I can send to administrator a PM with mail details

Thanks in advance

Mariano Gros

Spain.

No administrator can help me?