Title: WP5.8
Last modified: July 23, 2021

---

# WP5.8

 *  Resolved [grc77](https://wordpress.org/support/users/grc77/)
 * (@grc77)
 * [5 years ago](https://wordpress.org/support/topic/wp5-8/)
 * How to get a previous version of the plugin. It no longer works with version 
   5.8 and immediately goes into error ?

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Author [WebToffee](https://wordpress.org/support/users/webtoffee/)
 * (@webtoffee)
 * [5 years ago](https://wordpress.org/support/topic/wp5-8/#post-14692070)
 * Hi [@grc77](https://wordpress.org/support/users/grc77/),
 * We have tested the plugin internally and it is working fine with WP5.8. In order
   to identify the cause of the issue, kindly check and share the fatal error log
   from **WordPress Migration > Logs.**. You can use [this link](https://pastebin.com/)
   to share large logs.
 *  Thread Starter [grc77](https://wordpress.org/support/users/grc77/)
 * (@grc77)
 * [5 years ago](https://wordpress.org/support/topic/wp5-8/#post-14701232)
 * “An unknow error…..3 10 seconds after begin
 * Test Site Log :
 * > `07-26-2021 @ 12:07:21 – Uncaught LogicException: Passed array does not specify
   > a callable static method (cannot access private method Jet_Form_Builder\Autoloader::
   > autoload()) in /home/website/test/wp-content/plugins/wp-migration-duplicator/
   > admin/modules/export/export.php:878
   >  Stack trace: #0 /home/website/test/wp-
   > content/plugins/wp-migration-duplicator/admin/modules/export/export.php(878):
   > spl_autoload_register(Array) #1 /home/website/test/wp-content/plugins/wp-migration-
   > duplicator/admin/modules/export/export.php(398): Wp_Migration_Duplicator_Export-
   > >export_db(Array) #2 /home/website/test/wp-content/plugins/wp-migration-duplicator/
   > admin/modules/export/export.php(95): Wp_Migration_Duplicator_Export->start_export(
   > Array) #3 /home/website/test/wp-includes/class-wp-hook.php(303): Wp_Migration_Duplicator_Export-
   > >ajax_main(”) #4 /home/website/test/wp-includes/class-wp-hook.php(327): WP_Hook-
   > >apply_filters(”, Array) #5 /home/website/test/wp-includes/plugin.php(470):
   > WP_Hook->do_action(Array) #6 /home/website/test/wp in /home/website/test/wp-
   > content/plugins/wp-migration-duplicator/admin/modules/export/export.php on 
   > line 878 07-26-2021 @ 12:29:20 – Uncaught LogicException: Passed array does
   > not specify a callable static method (cannot access private method Jet_Form_Builder\
   > Autoloader::autoload()) in /home/website/test/wp-content/plugins/wp-migration-
   > duplicator/admin/modules/export/export.php:878 Stack trace: #0 /home/website/
   > test/wp-content/plugins/wp-migration-duplicator/admin/modules/export/export.
   > php(878): spl_autoload_register(Array) #1 /home/website/test/wp-content/plugins/
   > wp-migration-duplicator/admin/modules/export/export.php(398): Wp_Migration_Duplicator_Export-
   > >export_db(Array) #2 /home/website/test/wp-content/plugins/wp-migration-duplicator/
   > admin/modules/export/export.php(95): Wp_Migration_Duplicator_Export->start_export(
   > Array) #3 /home/website/test/wp-includes/class-wp-hook.php(303): Wp_Migration_Duplicator_Export-
   > >ajax_main(”) #4 /home/website/test/wp-includes/class-wp-hook.php(327): WP_Hook-
   > >apply_filters(”, Array) #5 /home/website/test/wp-includes/plugin.php(470):
   > WP_Hook->do_action(Array) #6 /home/website/test/wp in /home/website/test/wp-
   > content/plugins/wp-migration-duplicator/admin/modules/export/export.php on 
   > line 878`
 * preprod
 * >     ```
   >     07-23-2021 @ 05:22:21 - Uncaught LogicException: Passed array does not specify a callable static method (cannot access private method Jet_Form_Builder\Autoloader::autoload()) in /home/website/preprod/wp-content/plugins/wp-migration-duplicator/admin/modules/export/export.php:878
   >     Stack trace:
   >     #0 /home/website/preprod/wp-content/plugins/wp-migration-duplicator/admin/modules/export/export.php(878): spl_autoload_register(Array)
   >     #1 /home/website/preprod/wp-content/plugins/wp-migration-duplicator/admin/modules/export/export.php(398): Wp_Migration_Duplicator_Export->export_db(Array)
   >     #2 /home/website/preprod/wp-content/plugins/wp-migration-duplicator/admin/modules/export/export.php(95): Wp_Migration_Duplicator_Export->start_export(Array)
   >     #3 /home/website/preprod/wp-includes/class-wp-hook.php(303): Wp_Migration_Duplicator_Export->ajax_main('')
   >     #4 /home/website/preprod/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters('', Array)
   >     #5 /home/website/preprod/wp-includes/plugin.php(470): WP_Hook->do_action(Array)
   >     #6 /ho in /home/website/preprod/wp-content/plugins/wp-migration-duplicator/admin/modules/export/export.php on line 878
   >     ```
   > 
 * Thanks for your help
 *  Plugin Author [WebToffee](https://wordpress.org/support/users/webtoffee/)
 * (@webtoffee)
 * [5 years ago](https://wordpress.org/support/topic/wp5-8/#post-14705353)
 * Hi [@grc77](https://wordpress.org/support/users/grc77/),
 * We have released a new version for the plugin including a fix for the issue. 
   Please update the plugin and check.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘WP5.8’ is closed to new replies.

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## Tags

 * [old version](https://wordpress.org/support/topic-tag/old-version/)

 * 3 replies
 * 2 participants
 * Last reply from: [WebToffee](https://wordpress.org/support/users/webtoffee/)
 * Last activity: [5 years ago](https://wordpress.org/support/topic/wp5-8/#post-14705353)
 * Status: resolved