ERROR: Could not able to execute INSERT INTO users (name, user, password, email) VALUES
            ('Germán', 'WalkingPan','5812','germanfernandezserrano@mail.com'),
            ('Pepe', 'Pepeelchulo','6666','peeeepeeeee@mail.com'),
            ('Jose', 'MFJose','soyjose','joseEe@mail.com'),
            ('Mario', 'Waluigi','Mariosux','Mario00@mail.com'). SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'germanfernandezserrano@mail.com' for key 'users.email'