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Greetings; I'm trying to upgrade a deployment from 4.4.0 through to 4.4.2, and it looks like its striking an error on the 4.4.1 upgrade in the word_replacement process; I tried the process outlined in 'resetting the user session' and those instructions did not resolve the issue.

Error Field Error Value
Type DB_Error
Code -1
Message DB Error: unknown error
Mode 16
UserInfo ALTER TABLE civicrm_word_replacement DROP FOREIGN KEY FK_civicrm_word_replacement_domain_id; [nativecode=1025 ** Error on rename of './<<civicrmdb>>/civicrm_word_replacement' to './<<civicrmdb>>/#sql2-151a-fad05' (errno: 152)]
DebugInfo ALTER TABLE civicrm_word_replacement DROP FOREIGN KEY FK_civicrm_word_replacement_domain_id; [nativecode=1025 ** Error on rename of './<<civicrmdb>>/civicrm_word_replacement' to './<<civicrmdb>>/#sql2-151a-fad05' (errno: 152)]
PEAR_Exception: DB Error: unknown error in unknown on line unknown
- DB_Error: DB Error: unknown error in unknown on line unknown
Exception trace
# Function Location
0 CRM_Core_Error::exceptionHandler(Object(DB_Error)) unknown:unknown
1 call_user_func(Array, Object(DB_Error)) <<siteroot>>/wp-content/plugins/civicrm/civicrm/packages/PEAR.php:931
2 PEAR_Error->PEAR_Error('DB Error: unknow…', -1, 16, Array, 'ALTER TABLE civi…') <<siteroot>>/wp-content/plugins/civicrm/civicrm/packages/DB.php:969
3 DB_Error->DB_Error(-1, 16, Array, 'ALTER TABLE civi…') <<siteroot>>/wp-content/plugins/civicrm/civicrm/packages/PEAR.php:564
4 PEAR->raiseError(null, -1, null, null, 'ALTER TABLE civi…', 'DB_Error', true) <<siteroot>>/wp-content/plugins/civicrm/civicrm/packages/DB/common.php:1905
5 DB_common->raiseError(-1, null, null, null, '1025 ** Error on…') <<siteroot>>/wp-content/plugins/civicrm/civicrm/packages/DB/mysql.php:898
6 DB_mysql->mysqlRaiseError() <<siteroot>>/wp-content/plugins/civicrm/civicrm/packages/DB/mysql.php:327
7 DB_mysql->simpleQuery('ALTER TABLE civi…') <<siteroot>>/wp-content/plugins/civicrm/civicrm/packages/DB/common.php:1216
8 DB_common->query('ALTER TABLE civi…') <<siteroot>>/wp-content/plugins/civicrm/civicrm/packages/DB/DataObject.php:2421
9 DB_DataObject->_query('ALTER TABLE civi…') <<siteroot>>/wp-content/plugins/civicrm/civicrm/packages/DB/DataObject.php:1613
10 DB_DataObject->query('ALTER TABLE civi…') <<siteroot>>/wp-content/plugins/civicrm/civicrm/CRM/Core/DAO.php:158
11 CRM_Core_DAO->query('ALTER TABLE civi…', true) <<siteroot>>/wp-content/plugins/civicrm/civicrm/CRM/Core/DAO.php:905
12 CRM_Core_DAO::executeQuery('ALTER TABLE civi…') <<siteroot>>/wp-content/plugins/civicrm/civicrm/CRM/Upgrade/Incremental/php/FourFour.php:347
13 CRM_Upgrade_Incremental_php_FourFour::wordReplacements_patch(Object(CRM_Queue_TaskContext), '4.4.1') unknown:unknown
14 call_user_func_array(Array, Array) <<siteroot>>/wp-content/plugins/civicrm/civicrm/CRM/Queue/Task.php:79
15 CRM_Queue_Task->run(Object(CRM_Queue_TaskContext)) <<siteroot>>/wp-content/plugins/civicrm/civicrm/CRM/Queue/Runner.php:186
16 CRM_Queue_Runner->runNext(true) <<siteroot>>/wp-content/plugins/civicrm/civicrm/CRM/Queue/Page/AJAX.php:44
17 CRM_Queue_Page_AJAX::{closure}() <<siteroot>>/wp-content/plugins/civicrm/civicrm/CRM/Queue/ErrorPolicy.php:80
18 CRM_Queue_ErrorPolicy->call(Object(Closure)) <<siteroot>>/wp-content/plugins/civicrm/civicrm/CRM/Queue/Page/AJAX.php:47
19 CRM_Queue_Page_AJAX::runNext(Array) unknown:unknown
20 call_user_func(Array, Array) <<siteroot>>/wp-content/plugins/civicrm/civicrm/CRM/Core/Invoke.php:289
21 CRM_Core_Invoke::runItem(Array) <<siteroot>>/wp-content/plugins/civicrm/civicrm/CRM/Core/Invoke.php:72
22 CRM_Core_Invoke::_invoke(Array) <<siteroot>>/wp-content/plugins/civicrm/civicrm/CRM/Core/Invoke.php:52
23 CRM_Core_Invoke::invoke(Array) <<siteroot>>/wp-content/plugins/civicrm/civicrm.php:465
24 CiviCRM_For_WordPress->invoke('') unknown:unknown
25 call_user_func_array(Array, Array) <<siteroot>>/wp-includes/plugin.php:429
26 do_action('toplevel_page_Ci…') <<siteroot>>/wp-admin/admin.php:217
27 {main}

Any idea?  The two help links located on upgrade site discuss version 2.0 era database issues relating to the foreign key issue.