errors from APIs while requesting data

error message:
If you see this then you are administrator and Flow-Flow got errors from APIs while requesting data. Please go to plugin admin and after refreshing page check for error(s) on stream settings page. Please provide error message info if you are doing support request.

errors showing up when trying to update a page:

2023-02-07 21:59:14.944398 [NOTICE] [21992] [T0] [95.175.17.40:38380-H3:B543E5-0#APVH_www.hub.tech:443] [STDERR] PHP Warning:? Invalid argument supplied for foreach() in /home/hubtech/domains/hub.tech/public_html/wp-content/plugins/flow-flow/libs/flowflow/core/src/settings/LAGeneralSettings.php on line 86

2023-02-07 21:59:16.612773 [NOTICE] [21992] [T0] [95.175.17.40:38380-H3:B543E5-8#APVH_www.hub.tech:443] [STDERR] Error validating access token: The session has been invalidated because the user changed their password or Facebook has changed the session for security reasons.

2023-02-07 21:59:16.612799 [NOTICE] [21992] [T0] [95.175.17.40:38380-H3:B543E5-8#APVH_www.hub.tech:443] [STDERR] flow\social\LASocialRequestException: Error validating access token: The session has been invalidated because the user changed their password or Facebook has changed the session for security reasons. in /home/hubtech/domains/hub.tech/public_html/wp-content/plugins/flow-flow/libs/flowflow/social/src/flow/social/FFFeedUtils.php:55

Stack trace:

#0 /home/hubtech/domains/hub.tech/public_html/wp-content/plugins/flow-flow/libs/flowflow/social/src/flow/social/FFBaseFeed.php(338): flow\social\FFFeedUtils::getFeedDataWithThrowException()

#1 /home/hubtech/domains/hub.tech/public_html/wp-content/plugins/flow-flow/libs/flowflow/social/src/flow/social/FFFacebook.php(69): flow\social\FFBaseFeed->getFeedData()

#2 /home/hubtech/domains/hub.tech/public_html/wp-content/plugins/flow-flow/libs/flowflow/core/src/LABase.php(520): flow\social\FFFacebook->getComments()

#3 /home/hubtech/domains/hub.tech/public_html/wp-content/plugins/flow-flow/libs/flowflow/core/src/LABase.php(354): la\core\LABase->process4comments()

#4 /home/hubtech/domains/hub.tech/public_html/wp-includes/class-wp-hook.php(308): la\core\LABase->loadCommentsAndCarousel()

#5 /home/hubtech/domains/hub.tech/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()

#6 /home/hubtech/domains/hub.tech/public_html/wp-includes/plugin.php(517): WP_Hook->do_action()

#7 /home/hubtech/domains/hub.tech/public_html/wp-admin/admin-ajax.php(188): do_action()

#8 {main}

Request errors:

Array

(

??? [0] => Array

??????? (

??????????? [msg] => Error validating access token: The session has been invalidated because the user changed their password or Facebook has changed the session for security reasons.

??????????? [url] => https://graph.facebook.com/v3.3/113914633774078_484532416712296/comments?total_count=30&access_token=EAABZCwDdoWC8BAHZCyPw23z7bU4E0xuHuB0yA2tauZBMI7kc7VZBpWUEz0OKHzdOufE2iwVaqgU2nZC97U333WQVZC4jDGZCCI2QKBV36cMSfbe8G9jWK4zZBAPfQ4qxBX8N4DEDHACBynZANOSNbsi9I9MyetcdIAj8gz7RZAe7rDWOrPVYP6eRdVZCfGLlFWh2UAZD

??????? )

)

2023-02-07 21:59:35.735399 [NOTICE] [21992] [T0] [95.175.17.40:38380-H3:B543E5-32#APVH_www.hub.tech:443] [STDERR] PHP Fatal error:? Allowed memory size of 268435456 bytes exhausted (tried to allocate 20480 bytes) in /home/hubtech/domains/hub.tech/public_html/wp-includes/meta.php on line 1189

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