Out of resources when opening file './llewellynprod/website_blocks.MYD' (Errcode: 24)

SELECT website_pages.page_id, website_blocks.* FROM website_pages INNER JOIN website_pages_blocks ON website_pages.page_id = website_pages_blocks.page_id INNER JOIN website_blocks ON website_pages_blocks.block_id = website_blocks.block_id WHERE website_blocks.block_location = 'LEFT' AND website_pages.website_id = 1 AND website_pages.page_id = 715 AND view_logged_out = 1 ORDER BY website_pages_blocks.block_order, website_blocks.block_order