Multilingual - Copy Language Tree error after copy tree to EN version.

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Hi,

error show when i "Copy Language Tree". I have 1.2 ver. of Internationalization addon and Concrete5 ver. 5.6.1.2.
What is interesting the addition did not cause any problems before. I do one copy tree.

An unexpected error occurred.
mysql error: [1048: Column 'cParentID' cannot be null] in EXECUTE("insert into Pages (cID, cParentID, uID, cOverrideTemplatePermissions, cInheritPermissionsFromCID, cInheritPermissionsFrom, cFilename, cPointerID, cPointerExternalLink, cPointerExternalLinkNewWindow, cDisplayOrder, pkgID) values ('531', NULL, '1', '1', '1', 'PARENT', NULL, '0', NULL, '0', '0', '0')")


DB error
,(160,'exceptions','2015-01-12 12:25:25','Exception Occurred: /home/site/domains/site.com/public_html/updates/concrete5.6.1.2/concrete/libraries/3rdparty/adodb/adodb-exceptions.inc.php:78 mysql error: [1048: Column \'cParentID\' cannot be null] in EXECUTE("insert into Pages (cID, cParentID, uID, cOverrideTemplatePermissions, cInheritPermissionsFromCID, cInheritPermissionsFrom, cFilename, cPointerID, cPointerExternalLink, cPointerExternalLinkNewWindow, cDisplayOrder, pkgID) values (\'521\', NULL, \'1\', \'1\', \'1\', \'PARENT\', NULL, \'0\', NULL, \'0\', \'0\', \'0\')")\n (1048)\n\n#0 /home/site/domains/site.com/public_html/updates/concrete5.6.1.2/concrete/libraries/3rdparty/adodb/adodb.inc.php(1037): adodb_throw(\'mysql\', \'EXECUTE\', 1048, \'Column \'cParent...\', \'insert into Pag...\', false, Object(ADODB_mysql))\n#1 /home/site/domains/site.com/public_html/updates/concrete5.6.1.2/concrete/libraries/3rdparty/adodb/adodb.inc.php(993): ADOConnection->_Execute(\'insert into Pag...\')\n#2 /home/site/domains/site.com/public_html/updates/concrete5.6.1.2/concrete/libraries/3rdparty/adodb/adodb.inc.php(761): ADOConnection->Execute(\'insert into Pag...\', Array)\n#3 /home/site/domains/site.com/public_html/updates/concrete5.6.1.2/concrete/core/models/page.php(1444): ADOConnection->Query(\'insert into Pag...\', Array)\n#4 /home/site/domains/site.com/public_html/packages/multilingual/controllers/dashboard/multilingual/setup.php(89): Concrete5_Model_Page->duplicate(Object(Page))\n#5 [internal function]: DashboardMultilingualSetupController->copy_tree()\n#6 /home/site/domains/site.com/public_html/updates/concrete5.6.1.2/concrete/core/libraries/controller.php(224): call_user_func_array(Array, Array)\n#7 /home/site/domains/site.com/public_html/updates/concrete5.6.1.2/concrete/core/libraries/controller.php(196): Concrete5_Library_Controller->runTask(\'copy_tree\', Array)\n#8 /home/site/domains/site.com/public_html/updates/concrete5.6.1.2/concrete/core/libraries/view.php(743): Concrete5_Library_Controller->setupAndRun()\n#9 /home/site/domains/site.com/public_html/updates/concrete5.6.1.2/concrete/dispatcher.php(258): Concrete5_Library_View->render(Object(Page))\n#10 /home/site/domains/site.com/public_html/concrete/startup/updated_core_check.php(6): require(\'/home/site/d...\')\n#11 /home/site/domains/site.com/public_html/concrete/dispatcher.php(14): require(\'/home/site/d...\')\n#12 /home/site/domains/site.com/public_html/index.php(2): require(\'/home/site/d...\')\n#13 {main}\n',1,1)