Dhruv Mittal
--- a/captcha.module
+++ b/captcha.module
 *   An instance of an captcha_point entity.
 */
 function captcha_point_load($id) {
-  return CaptchaPoint::load($id);
+  
+  if(empty($id) || !is_string($id)) {
+    return NULL;
+  }
+
+  try {
+    return CaptchaPoint::load($id);
+}
+  catch (\Exception $e) {
+    \Drupal::logger('captcha')->error('Failed to load captcha point: @error', ['@error' => $e->getMessage()]);