✅ Password column already exists!

Columns in tblcustomers:
- ID (int(11))
- CustomerName (varchar(100))
- Address (varchar(255))
- PhoneNumber (varchar(20))
- Email (varchar(100))
- City (varchar(100))
- Country (varchar(100))
- PoolNumber (varchar(50))
- PoolType (enum('Δημόσια','Ιδιωτική'))
- Status (enum('Ενεργό','Ανενεργό'))
- RegistrationDate (timestamp)
- UpdatedDate (timestamp)
- Notes (text)
- CreatedBy (int(11))
- PostalCode (varchar(20))
- Password (varchar(255))