Answers.Body: <p>The issue is now resolved, but not using the response given.</p>
  <p>Just after experiencing the error, I attempted an upgrade to Joomla 4 and that borked as well. This meant, I then had to rebuild the site from scratch. During that process, I discovered the underlying reason for both failures - my hosting provider's file number limits were being breached (Grrrh!!).</p>
  <p>Thanks anyway for the response.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2023-01-11T14:23:47.887Z
Answers.LastActivityDate: 2023-01-11T14:23:47.887Z
Answers.UserDisplayName: Mollcons
Answers.Body: <p>This seems to be a duplicate of <a href="https://civicrm.stackexchange.com/questions/43142/fixed-crm-custom-import-form-summary-error-when-sending-one-of-email">(Fixed) CRM_Custom_Import_Form_Summary error when sending one of email</a>.</p>
  <p>Delete this file: CRM/Custom/Import/Form/Summary.php</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2023-01-08T21:01:55.680Z
Answers.LastActivityDate: 2023-01-08T21:01:55.680Z
Answers.UserDisplayName: Demerit
Body: <p>I have just upgraded CiviCRM to 5.57 in my Joomla 3.11 environment and instantly it tells me that the following error is triggered:</p>
  <p>Fatal error: Declaration of CRM_Custom_Import_Form_Summary::preProcess() must be compatible with CRM_Contact_Import_Form_Summary::preProcess(): void in /homepages/33/d128624839/htdocs/clickandbuilds/Joomla/BackfordAreaHistory/administrator/components/com_civicrm/civicrm/CRM/Custom/Import/Form/Summary.php on line 13</p>
  <p>How do I resolve this?</p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2023-01-08T20:55:20.003Z
Comments.Text: Does this answer your question? [(Fixed) CRM\_Custom\_Import\_Form\_Summary error when sending one of email](https://civicrm.stackexchange.com/questions/43142/fixed-crm-custom-import-form-summary-error-when-sending-one-of-email)
Comments.UserDisplayName: Demerit
Tags: <joomla>
Title: Upgrade to 5.57 failure in Joomla 3.10
ThreadText: # Upgrade to 5.57 failure in Joomla 3.10
  
  (Asked by: username_0 on 2023-01-08)
  
  I have just upgraded CiviCRM to 5.57 in my Joomla 3.11 environment and instantly it tells me that the following error is triggered:
  
  Fatal error: Declaration of CRM\_Custom\_Import\_Form\_Summary::preProcess() must be compatible with CRM\_Contact\_Import\_Form\_Summary::preProcess(): void in /homepages/33/d128624839/htdocs/clickandbuilds/Joomla/BackfordAreaHistory/administrator/components/com\_civicrm/civicrm/CRM/Custom/Import/Form/Summary.php on line 13
  
  How do I resolve this?
  
  **Tags:** joomla
  
  > **Comments:**
  > **username_1**: Does this answer your question? [(Fixed) CRM\_Custom\_Import\_Form\_Summary error when sending one of email](https://civicrm.stackexchange.com/questions/43142/fixed-crm-custom-import-form-summary-error-when-sending-one-of-email)  
  
  ---
  
  ## 2 answers
  
  ### Answer by username_0 on 2023-01-11. Score: 1
  
  The issue is now resolved, but not using the response given.
  
  Just after experiencing the error, I attempted an upgrade to Joomla 4 and that borked as well. This meant, I then had to rebuild the site from scratch. During that process, I discovered the underlying reason for both failures - my hosting provider's file number limits were being breached (Grrrh!!).
  
  Thanks anyway for the response.
  
  
  ---
  
  ### Answer by username_1 on 2023-01-08. Score: 1
  
  This seems to be a duplicate of [(Fixed) CRM\_Custom\_Import\_Form\_Summary error when sending one of email](https://civicrm.stackexchange.com/questions/43142/fixed-crm-custom-import-form-summary-error-when-sending-one-of-email).
  
  Delete this file: CRM/Custom/Import/Form/Summary.php
  
  
  ---
  
  