here’s some additional info from my error logs.
[Mon Jun 28 19:57:16.680539 2021] [fcgid:warn] [pid 18578:tid 139875796264704] [client 65.30.179.51:38236] mod_fcgid: stderr: WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OPTION SQL_BIG_SELECTS = 1' at line 1 for query SET OPTION SQL_BIG_SELECTS = 1 made by do_action('toplevel_page_dc-manage-releases'), WP_Hook->do_action, WP_Hook->apply_filters, dc_manage_releases, referer: https://domain-redacted.com/wp-admin/post.php?post=76&action=edit
[Mon Jun 28 19:57:23.042924 2021] [fcgid:warn] [pid 18578:tid 139875829835520] [client 65.30.179.51:38236] mod_fcgid: stderr: WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OPTION SQL_BIG_SELECTS = 1' at line 1 for query SET OPTION SQL_BIG_SELECTS = 1 made by do_action('download-codes_page_dc-manage-codes'), WP_Hook->do_action, WP_Hook->apply_filters, dc_manage_codes, referer: https://domain-redacted.com/wp-admin/admin.php?page=dc-manage-releases
[Mon Jun 28 19:57:27.347069 2021] [fcgid:warn] [pid 18578:tid 139875829835520] [client 65.30.179.51:36468] mod_fcgid: stderr: WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OPTION SQL_BIG_SELECTS = 1' at line 1 for query SET OPTION SQL_BIG_SELECTS = 1 made by do_action('download-codes_page_dc-manage-codes'), WP_Hook->do_action, WP_Hook->apply_filters, dc_manage_codes, referer: https://domain-redacted.com/wp-admin/admin.php?page=dc-manage-codes&release=32
[Mon Jun 28 19:57:40.726861 2021] [fcgid:warn] [pid 18380:tid 139875399091968] [client 65.30.179.51:47696] mod_fcgid: stderr: PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 180080624 bytes) in /home/dh_af83z3/tripleeyeindustries.com/wp-includes/functions.php on line 4757, referer: https://domain-redacted.com/redeem/
[Mon Jun 28 19:57:40.727008 2021] [fcgid:warn] [pid 18380:tid 139875399091968] [client 65.30.179.51:47696] mod_fcgid: stderr: PHP Fatal error: Unknown: Cannot use output buffering in output buffering display handlers in Unknown on line 0, referer: https://domain-redacted.com/redeem/
I reverted my PHP version back to version php 7.2 and now it works correctly. I’ll just wait for an update.
except my host is making me update php, so this plugin’s lack of support just killed 5-6 years of download codes distributed in vinyl and cassettes until I can figure out how to fix it myself. BUMMER.