removingfromLine569 on casetracker some conflict.

hookblockview

/**
 * Implements hook_block_view().
 */
function casetracker_block_view($delta) {
  switch ($delta) {
    case 'case':
      if (user_access('access content')) {
        $block['subject'] = t('Jump to case');
        $block['content'] = drupal_get_form('casetracker_block_jump_to_case_number');
      }
      break;
  }
  return $block;
}