WordPress database error: [Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb4_unicode_520_ci,IMPLICIT) for operation '=']
( SELECT 0 AS is_personal, 1 AS is_ip, status, country_code, network, mask FROM wpzf_spbc_firewall_data_v4 WHERE network IN (3288334336,3321888768,3330277376,3334471680,3336568832,3337617408,3337879552,3337912320,3337920512,3337922560,3337922688,3337922704,3337922712,3337922716,3337922718,3337922719) AND network = 3337922719 & mask AND country_code = "0" ) UNION ( SELECT 1 AS is_personal, 1 AS is_ip, status, 0 AS country_code, network, mask FROM wpzf_spbc_firewall__personal_ips_v4 WHERE network IN (3288334336,3321888768,3330277376,3334471680,3336568832,3337617408,3337879552,3337912320,3337920512,3337922560,3337922688,3337922704,3337922712,3337922716,3337922718,3337922719) AND network = 3337922719 & mask ) UNION ( SELECT 1 AS is_personal, 0 AS is_ip, tbl_private.status, country_code, network, mask FROM wpzf_spbc_firewall__personal_countries AS tbl_private RIGHT JOIN wpzf_spbc_firewall_data_v4 AS tbl_common USING(country_code) WHERE network IN (3288334336,3321888768,3330277376,3334471680,3336568832,3337617408,3337879552,3337912320,3337920512,3337922560,3337922688,3337922704,3337922712,3337922716,3337922718,3337922719) AND network = 3337922719 & mask AND tbl_private.status IS NOT NULL AND 32344 <> 0 )