Answers.Body: <p>This error is saying, "Hi, there's a missing payment processor file."  The payment processor file in question isn't part of core CiviCRM; it's probably provided by a plugin.  Is this site associated with UC Merced?  It seems like maybe there's a custom payment processor plugin written for their e-pay system.</p>
  
  <p>Since this broke on an upgrade, I wonder if it wasn't a plugin, but they inserted the file directly into core CiviCRM?  It's hard to troubleshoot without seeing it.  For now, check <strong>Administer menu > System Settings > Payment Processors</strong> and disable your payment processor to see if that gets your system working.  Then track down whomever wrote this custom code for you.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2016-11-12T21:03:24.013Z
Answers.LastActivityDate: 2016-11-12T21:03:24.013Z
Answers.UserDisplayName: Jon G - Megaphone Tech
Body: <p>Just upgraded Civi from 4.7.11 to 4.7.13 </p>
  
  <p>The upgraded installed successfully, but rendered Civi functionally unusuable. Attempting to click on any tab within Civi (such as navigating to Contributions, Mailing, Memberships, etc.) results in the following fatal error in the web browser. </p>
  
  <p>Any assistance is appreciated! Thank you!</p>
  
  <pre><code>Fatal error: require_once(): Failed opening required 'CRM/Core/Payment/EPayUCM.php' 
  (include_path='/home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/drupal/modules/civicrm_engage/:
  /home/WEBSITE/public_html/drupal/sites/default/files/civicrm/extensions/uk.co.vedaconsulting.gotowebinar/:
  /home/WEBSITE/public_html/drupal/sites/default/files/civicrm/extensions/org.civicrm.module.cividiscount-2.5/:
  /home/WEBSITE/public_html/drupal/sites/default/files/civicrm/extensions/civicrm_stripe-4.5-dev/packages/:
  /home/WEBSITE/public_html/drupal/sites/default/files/civicrm/extensions/civicrm_stripe-4.5-dev/:
  .:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/packages:
  .:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/packages:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/vendor/tecnickcom:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/vendor/phpseclib/phpseclib/
   in /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/Civi/Payment/System.php on line 59
  </code></pre>
  
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2016-12-02T03:55:48.697Z
Comments.Text: This is a variant of this question: http://civicrm.stackexchange.com/questions/16072/disabling-stripe-extension-breaks-database
Comments.UserDisplayName: Jon G - Megaphone Tech
Tags: <upgrade>
Title: Fatal Error after upgrading to 4.7.13 from 4.7.11
ThreadText: # Fatal Error after upgrading to 4.7.13 from 4.7.11
  
  (Asked by: username_0 on 2016-11-12)
  
  Just upgraded Civi from 4.7.11 to 4.7.13
  
  The upgraded installed successfully, but rendered Civi functionally unusuable. Attempting to click on any tab within Civi (such as navigating to Contributions, Mailing, Memberships, etc.) results in the following fatal error in the web browser.
  
  Any assistance is appreciated! Thank you!
  
  ```
  Fatal error: require_once(): Failed opening required 'CRM/Core/Payment/EPayUCM.php' 
  (include_path='/home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/drupal/modules/civicrm_engage/:
  /home/WEBSITE/public_html/drupal/sites/default/files/civicrm/extensions/uk.co.vedaconsulting.gotowebinar/:
  /home/WEBSITE/public_html/drupal/sites/default/files/civicrm/extensions/org.civicrm.module.cividiscount-2.5/:
  /home/WEBSITE/public_html/drupal/sites/default/files/civicrm/extensions/civicrm_stripe-4.5-dev/packages/:
  /home/WEBSITE/public_html/drupal/sites/default/files/civicrm/extensions/civicrm_stripe-4.5-dev/:
  .:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/packages:
  .:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/packages:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/vendor/tecnickcom:
  /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/vendor/phpseclib/phpseclib/
   in /home/WEBSITE/public_html/drupal/sites/all/modules/civicrm/Civi/Payment/System.php on line 59
  
  ```
  
  **Tags:** upgrade
  
  > **Comments:**
  > **username_1**: This is a variant of this question: http://civicrm.stackexchange.com/questions/16072/disabling-stripe-extension-breaks-database  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2016-11-12. Score: 3
  
  This error is saying, "Hi, there's a missing payment processor file." The payment processor file in question isn't part of core CiviCRM; it's probably provided by a plugin. Is this site associated with UC Merced? It seems like maybe there's a custom payment processor plugin written for their e-pay system.
  
  Since this broke on an upgrade, I wonder if it wasn't a plugin, but they inserted the file directly into core CiviCRM? It's hard to troubleshoot without seeing it. For now, check **Administer menu > System Settings > Payment Processors** and disable your payment processor to see if that gets your system working. Then track down whomever wrote this custom code for you.
  
  
  ---
  
  