1 error configuration detected

Hi

My form created suddenly appear to have a error configuration detected.
I dun really know how to remove the error.

*** Unavailable names (day) are used for form controls.

Any error with my text below? Thanks

<p>Email Address (required)<br />
[email* your-email] </p>

<p>Purpose of buying<br />
[select purpose “Own Stay” “For Investment”]</p>

<p>I’m interested in:<br />
[select interested “1-Bedroom” “2-Bedroom” “3-Bedroom” “4-Bedroom” “5-Bedroom” “2-Dual key bedroom” “3-Dual key bedroom” “4-Dual key bedroom” “5-Dual key bedroom” “2-Bedroom Penthouse” “3-Bedroom Penthouse” “4-Bedroom Penthouse” “5-Bedroom Penthouse” “Commercial Unit” “Industrial Unit”]</p>

<p>Level of interest<br />
[select level “Just exploring my options” “Keep on getting a unit” “Ready to place a check” “Request for Brochure & flooplan”]</p>

<p>Prefered viewing time<br />
[select weeks “Weekday” “Weekend”] [select day “DayTime” “Evening”] </p>

<p>Your Message<br />
[textarea your-message] </p>

<p>[captchac captcha-381]<br />
[captchar captcha-381] </p>

<p>[submit “Send”]</p>