Add module prefix to class name.

application/component/widget/oecaptchawarticledetails.php

@@ -6,7 +6,7 @@
 /**
  * Article detailed information widget.
  */
-class oewArticleDetails extends oewArticleDetails_parent
+class oeCaptchaWArticleDetails extends oeCaptchaWArticleDetails_parent
 {
     /**
      * Class handling CAPTCHA image.

metadata.php

@@ -42,7 +42,7 @@ $aModule = array(
                            'invite'            => 'oe/captcha/controllers/oecaptchainvite',
                            'pricealarm'        => 'oe/captcha/controllers/oecaptchapricealarm',
                            'suggest'           => 'oe/captcha/controllers/oecaptchasuggest',
-                           'oxwarticledetails' => 'oe/captcha/application/component/widget/oewarticledetails'),
+                           'oxwarticledetails' => 'oe/captcha/application/component/widget/oecaptchawarticledetails'),
     'files'       => array(
         'oecaptcha'       => 'oe/captcha/core/oecaptcha.php',
         'oecaptchaEvents' => 'oe/captcha/core/oecaptchaevents.php',