problems after update to 1.33.15

wordpress 6.5.2

Plugin settings page displays fatal error, debug:

Deprecated: Return type of WSAWeberCollection::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_collection.php on line 165

Deprecated: Return type of WSAWeberCollection::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_collection.php on line 213

Deprecated: Return type of WSAWeberCollection::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_collection.php on line 163

Deprecated: Return type of WSAWeberCollection::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_collection.php on line 164

Deprecated: Return type of WSAWeberCollection::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_collection.php on line 239

Deprecated: Return type of WSAWeberCollection::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_collection.php on line 247

Deprecated: Return type of WSAWeberCollection::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_collection.php on line 243

Deprecated: Return type of WSAWeberCollection::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_collection.php on line 255

Deprecated: Return type of WSAWeberCollection::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_collection.php on line 251

Deprecated: Return type of WSAWeberCollection::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_collection.php on line 265

Deprecated: Return type of WSAWeberEntryDataArray::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php on line 22

Deprecated: Return type of WSAWeberEntryDataArray::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php on line 26

Deprecated: Return type of WSAWeberEntryDataArray::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php on line 30

Deprecated: Return type of WSAWeberEntryDataArray::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php on line 36

Deprecated: Return type of WSAWeberEntryDataArray::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php on line 18

Deprecated: Return type of WSAWeberEntryDataArray::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php on line 44

Deprecated: Return type of WSAWeberEntryDataArray::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php on line 52

Deprecated: Return type of WSAWeberEntryDataArray::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php on line 48

Deprecated: Return type of WSAWeberEntryDataArray::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php on line 56

Deprecated: Return type of WSAWeberEntryDataArray::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php on line 40

Deprecated: Creation of dynamic property WebinarSysteem::$db_version is deprecated in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/class-webinarsysteem.php on line 922

Warning: Cannot modify header information - headers already sent by (output started at /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php:3) in /var/www/wordpress/wp-admin/includes/misc.php on line 1439

Warning: Cannot modify header information - headers already sent by (output started at /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php:3) in /var/www/wordpress/wp-includes/functions.php on line 7096

Warning: Cannot modify header information - headers already sent by (output started at /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/libs/aweber_api/aweber_entry_data_array.php:3) in /var/www/wordpress/wp-admin/admin-header.php on line 9

Fatal error: Uncaught Error: Call to undefined method WP_Translations::get_header() in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/class-webinarsysteem-js.php:111 Stack trace: #0 /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/class-webinarsysteem.php(592): WebinarSysteemJS::embed_assets() #1 /var/www/wordpress/wp-includes/class-wp-hook.php(324): WebinarSysteem->enqueue_admin_scripts() #2 /var/www/wordpress/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #3 /var/www/wordpress/wp-includes/plugin.php(517): WP_Hook->do_action() #4 /var/www/wordpress/wp-admin/admin-header.php(118): do_action() #5 /var/www/wordpress/wp-admin/admin.php(239): require_once('…') #6 {main} thrown in /var/www/wordpress/wp-content/plugins/wp-webinarsystem/includes/class-webinarsysteem-js.php on line 111