Multisite crash following attempt to install newsletter plugon

Hi. During installation via the wpmu dashboard of the e-newsletter plugin, the following error has occurred rendering the entire site / network inoperable. Please advise. Cheers

""WordPress database error: [Table 'legalbra_legalbrand.wp_lb_enewsletter_newsletters' doesn't exist] DELETE a FROM wp_lb_enewsletter_meta a LEFT JOIN wp_lb_enewsletter_newsletters b ON a.email_id = b.newsletter_id WHERE b.newsletter_id IS NULL"