Answers.Body: <p>can you delete the existing civicrm folder and untar it from here <a href="https://download.civicrm.org/civicrm-5.13.4-drupal.tar.gz" rel="nofollow noreferrer">https://download.civicrm.org/civicrm-5.13.4-drupal.tar.gz</a> and perform upgrade?</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-05-17T18:43:00.507Z
Answers.LastActivityDate: 2019-05-17T18:43:00.507Z
Answers.UserDisplayName: Pradeep Nayak
Body: <p>After upgrading to 5.13.4 all of Civi has disappeared to be replaced with the error</p>
  
  <blockquote>
    <p>Fatal error: Class 'DB_DataObject' not found in /var/sites/c/[site]/public_html/sites/all/modules/civicrm/CRM/Core/DAO.php on line 49</p>
  </blockquote>
  
  <p>I first noticed it trying to visit /civicrm/upgrade?reset=1 after uploading all the updated files, but it appears trying to load any part of CiviCRM. Drupal (7.67) still loads fine, though it's still in maintenance mode at the moment.</p>
  
  <p>And ideas what's gone wrong?</p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2019-05-17T16:15:26.117Z
Comments.Text: can you delete the existing civicrm folder and untar it from here https://download.civicrm.org/civicrm-5.13.4-drupal.tar.gz and perform upgrade?
Comments.UserDisplayName: Pradeep Nayak
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2019-05-17T18:42:21.293Z
Comments.Text: Huh. That worked. For some reason I'd got it into my head early on in evaluating CiviCRM that my shared hosting wouldn't let me untar over SSH, so I've always uncompressed locally, then FTPed the whole lot. But this time it worked, and I've no idea why that would be different. Guess something corrupted in my previous upload. Anyway, if you make that an answer I'll accept it. Thanks.
Comments.UserDisplayName: somnolentsurfer
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2019-05-17T18:43:18.050Z
Comments.Text: Wow. Added as an answer
Comments.UserDisplayName: Pradeep Nayak
Tags: <upgrade>
Title: Fatal error: Class 'DB_DataObject' not found in /sites/all/modules/civicrm/CRM/Core/DAO.php on line 49
ThreadText: # Fatal error: Class 'DB_DataObject' not found in /sites/all/modules/civicrm/CRM/Core/DAO.php on line 49
  
  (Asked by: username_0 on 2019-05-17)
  
  After upgrading to 5.13.4 all of Civi has disappeared to be replaced with the error
  
  > Fatal error: Class 'DB\_DataObject' not found in /var/sites/c/[site]/public\_html/sites/all/modules/civicrm/CRM/Core/DAO.php on line 49
  
  I first noticed it trying to visit /civicrm/upgrade?reset=1 after uploading all the updated files, but it appears trying to load any part of CiviCRM. Drupal (7.67) still loads fine, though it's still in maintenance mode at the moment.
  
  And ideas what's gone wrong?
  
  **Tags:** upgrade
  
  > **Comments:**
  > **username_1**: can you delete the existing civicrm folder and untar it from here https://download.civicrm.org/civicrm-5.13.4-drupal.tar.gz and perform upgrade?  
  > **username_0**: Huh. That worked. For some reason I'd got it into my head early on in evaluating CiviCRM that my shared hosting wouldn't let me untar over SSH, so I've always uncompressed locally, then FTPed the whole lot. But this time it worked, and I've no idea why that would be different. Guess something corrupted in my previous upload. Anyway, if you make that an answer I'll accept it. Thanks.  
  > **username_1**: Wow. Added as an answer  
  
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  ## 1 answers
  
  ### Answer by username_1 on 2019-05-17. Score: 2 | Accepted answer
  
  can you delete the existing civicrm folder and untar it from here <https://download.civicrm.org/civicrm-5.13.4-drupal.tar.gz> and perform upgrade?
  
  
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