I receive the following error when trying to access the CMS.
[Warning] Missing argument 2 for CheckboxSetWithExtraField::setValue(), called in C:\Program Files (x86)\Apache Software Foundation\Apache2.2\htdocs\dea\sapphire\forms\FormField.php on line 78 and defined
Line 237 in C:\Program Files (x86)\Apache Software Foundation\Apache2.2\htdocs\dea\newsletter\code\CheckboxSetWithExtraField.php
Please help!