Fields list in snapshot record does not match fields list in 'book_chapters'. Record is missing fields: contentType

• line 902 of /lib/classes/event/base.php: call to debugging()
• line 55 of /mod/book/tool/print/classes/event/chapter_printed.php: call to core\event\base->add_record_snapshot()
• line 86 of /mod/book/tool/print/index.php: call to booktool_print\event\chapter_printed::create_from_chapter()