After upgrade now i've this kind of error in all page of my applications that use captcha...
Code:
A PHP Error was encountered
Severity: Notice
Message: Undefined variable: word_length
Filename: helpers/captcha_helper.php
Line Number: 147
A PHP Error was encountered
Severity: Notice
Message: Undefined variable: word_length
Filename: helpers/captcha_helper.php
Line Number: 188
A PHP Error was encountered
Severity: Warning
Message: Division by zero
Filename: helpers/captcha_helper.php
Line Number: 204
A PHP Error was encountered
Severity: Warning
Message: Division by zero
Filename: helpers/captcha_helper.php
Line Number: 276
Is a possible bug or something i'm wrong?