Previewing some of the custom fields gives database error

Create one Custom Group
Add One Custom Field to it .. ( Type = Number / Integer / Money and Select / Radio ) with " is_required " and " Is this Field Searchable? " as true...
Preview that Field and following error gets flagged
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Array
(
[callback] => Array
(
[0] => CRM_Core_Error
[1] => handle
)

[code] => -3
[message] => QuickForm Error: nonexistent html element
[mode] => 16
[debug_info] => Element '0_23_Integer_Radio_from' does not exist in HTML_QuickForm::addRule()
[type] => HTML_QuickForm_Error
[user_info] => Element '0_23_Integer_Radio_from' does not exist in HTML_QuickForm::addRule()
[to_string] => [html_quickform_error: message="nonexistent html element" code=-3 mode=callback callback=CRM_Core_Error::handle prefix="QuickForm Error: " info="Element '0_23_Integer_Radio_from' does not exist in HTML_QuickForm::addRule()"]
)
********************************

No such error when " Is this Field Searchable? " is not set