Describe the issue or problem
We’ve recently made a new OJS Journal for our organization, version 3.5.0.3, in which the Quick Submit plugin is not working, opening it opens a blank page.
Quick Submit Plugin showing Error→
Blank Page Opens →
Php_Error.log →
[24-Jan-2026 08:56:45 UTC] Database query
select * from `issue_settings` where `issue_id` = ?
[1]
[24-Jan-2026 08:56:45 UTC] Database query
select * from `sections` where `section_id` = ? and `journal_id` = ? limit 1
[1,1]
[24-Jan-2026 08:56:45 UTC] Database query
select * from `section_settings` where `section_id` = ?
[1]
[24-Jan-2026 08:56:45 UTC] Database query
select `ug`.* from `user_groups` as `ug` inner join `user_user_groups` as `uug` on `ug`.`user_group_id` = `uug`.`user_group_id` where `uug`.`user_id` in (?)
[1]
[24-Jan-2026 08:56:45 UTC] Database query
select * from `user_group_settings` where `user_group_id` = ?
[1]
[24-Jan-2026 08:56:45 UTC] Database query
select * from `user_group_settings` where `user_group_id` = ?
[2]
[24-Jan-2026 08:56:45 UTC] Database query
select count(*) as aggregate from `jobs` where `reserved_at` is null and `available_at` <= ? and `queue` is not null and `queue` != ? and `attempts` < ?
[1769245005,"queuedTestJob",3]
[24-Jan-2026 08:56:45 UTC] Database query
UPDATE sessions
SET
user_id = ?,
ip_address = ?,
user_agent = ?,
created = ?,
last_used = ?,
remember = ?,
data = ?,
domain = ?
WHERE session_id = ?