export error

Hello,
we get this error when we try to Export Subscribers

An error has occurred.
0 Too few arguments to function OSController::__construct(), 0 passed in /home2/astdbois/public_html/administrator/components/com_osmembership/osmembership.php on line 40 and exactly 1 expected

ver 1.6.9
joomla 3.9.10

Hello

You are using a very outdated version and it's not compatible with Joomla 3.9.10

Please purchase and update your site to latest version of Membership Pro. After that, check it again. It should work as expected

Tuan