latest update(s) throws errors

After the latest update(s) to version 1.6.2.1 the plugin throws a bunch of errors.

The forms seem to work normally, so that is why I don't understand the errors in the first place.

WordPress database error: [Table 'wptableprefix_rg_form' already exists]
CREATE TABLE wptableprefix_rg_form ( id mediumint(8) unsigned not null auto_increment, title varchar(150) not null, date_created datetime not null, is_active tinyint(1) not null default 1, PRIMARY KEY (id) ) DEFAULT CHARACTER SET utf8

WordPress database error: [Table 'wptableprefix_rg_form_meta' already exists]
CREATE TABLE wptableprefix_rg_form_meta ( form_id mediumint(8) unsigned not null, display_meta longtext, entries_grid_meta longtext, PRIMARY KEY (form_id) ) DEFAULT CHARACTER SET utf8

WordPress database error: [Table 'wptableprefix_rg_form_view' already exists]
CREATE TABLE wptableprefix_rg_form_view ( id bigint(20) unsigned not null auto_increment, form_id mediumint(8) unsigned not null, date_created datetime not null, ip char(15), count mediumint(8) unsigned not null default 1, PRIMARY KEY (id), KEY form_id (form_id) ) DEFAULT CHARACTER SET utf8