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 (855638016,859832320,860880896,860946432,860979200,860987392,860989440,860989696,860989760,860989792,860989808,860989816,860989820)
AND network = 860989820 & 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 (855638016,859832320,860880896,860946432,860979200,860987392,860989440,860989696,860989760,860989792,860989808,860989816,860989820)
AND network = 860989820 & 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 (855638016,859832320,860880896,860946432,860979200,860987392,860989440,860989696,860989760,860989792,860989808,860989816,860989820)
AND network = 860989820 & mask
AND tbl_private.status IS NOT NULL
AND 41747 <> 0
)