Erreur montee de version 3.10.5 à 3.10.6

[zephir95]

Bonjour, J'ai 3 site en Joomla 3x,
j'ai fait les montées de version 3.10.5 vers 3.10.6
et sur 1 des sites j'ai une erreur.... ce site a la particularité d'avoir le module NicePage
Une idée ?
merci à tous



ERROR:
Invalid AJAX data:
<br />
<b>Fatal error</b>: Uncaught Error: Class 'AKPostprocHybrid' not found in /homepages/44/d423667491/htdocs/clickandbuilds/Joomla/MyCMS3/administrator/components/com_joomlaupdate/restore.php:3579
Stack trace:
#0 /homepages/44/d423667491/htdocs/clickandbuilds/Joomla/MyCMS3/administrator/components/com_joomlaupdate/restore.php(3638): AKFactory::getClassInstance('AKPostprocHybri...')
#1 /homepages/44/d423667491/htdocs/clickandbuilds/Joomla/MyCMS3/administrator/components/com_joomlaupdate/restore.php(900): AKFactory::getPostProc('hybrid')
#2 /homepages/44/d423667491/htdocs/clickandbuilds/Joomla/MyCMS3/administrator/components/com_joomlaupdate/restore.php(480): AKAbstractUnarchiver-&gt;_prepare()
#3 /homepages/44/d423667491/htdocs/clickandbuilds/Joomla/MyCMS3/administrator/components/com_joomlaupdate/restore.php(5001): AKAbstractPart-&gt;tick()
#4 {main}
thrown in <b>/homepages/44/d423667491/htdocs/clickandbuilds/Joomla/MyCMS3/administrator/components/com_joomlaupdate/restore.php</b> on line <b>3579</b><br />