[Koha] Help! a person deleted (it was an error) all staff pwd and us

[Claudio Kutufà]

Hello all
Help !  In a library where (in august 2011) I installed Koha 3.6 a new 
staff girl, misunderstood somenting and.... deleted ALL staff passwords and 
usernames !!! ALL !!!
What can I suggest them to recover the deleted passwords or, at least, to 
recreate them ?
Thanks a lot for your help !!!
Claudio


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Ing. Claudio Kutufa'
e-mail ufficio:          claudiok at nexusfi.it
e-mail personale:    claudio.kutufa at gmail.com

Via Vamba Luigi Bertelli, 16
50135 Firenze - Italy

Cell.:                +39 335 5859567
Tel.abitazione:   +39 055 400743
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