Upgraded our moodle 1.9.14+, which has the 1.9.x version attached to a course.

Upgraded our moodle to 2.2.2+ and updated the quickmail block also.

When I turn on this block and try to visit any courses that have this block, I get the following error messgage:

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Table "block_quickmail_config" does not exist

Stack trace:
•line 505 of /lib/dml/moodle_database.php: dml_exception thrown
•line 1077 of /lib/dml/moodle_database.php: call to moodle_database->where_clause()
•line 1169 of /lib/dml/moodle_database.php: call to moodle_database->get_records()
•line 139 of /blocks/quickmail/lib.php: call to moodle_database->get_records_menu()
•line 30 of /blocks/quickmail/block_quickmail.php: call to quickmail::load_config()
•line 690 of /blocks/moodleblock.class.php: call to block_quickmail->get_content()
•line 232 of /blocks/moodleblock.class.php: call to block_list->formatted_contents()
•line 926 of /lib/blocklib.php: call to block_base->get_content_for_output()
•line 978 of /lib/blocklib.php: call to block_manager->create_block_contents()
•line 349 of /lib/blocklib.php: call to block_manager->ensure_content_created()
•line 7 of /theme/ours/layout/general.php: call to block_manager->region_has_content()
•line 685 of /lib/outputrenderers.php: call to include()
•line 637 of /lib/outputrenderers.php: call to core_renderer->render_page_layout()
•line 211 of /course/view.php: call to core_renderer->header()

should be just delete from the existing course and start fresh by reattaching the block to the courses that need this block?