Failed Ajax request or invalid JSON returned!

Description of issue or problem I’m having:
The software update to 3.3.0.8 and after that I’m getting an error when I tried to upload a pdf.

Screenshot at 2021-09-17 15-39-36 (1)

The console error is Failed to load resource: the server responded with a status of 500 ()

https://bspsychology.ro/index.php/BSJoP/$$$call$$$/wizard/file-upload/file-upload-wizard/start-wizard?fileStage=10&reviewRoundId=&assocType=521&assocId=153&submissionId=176&stageId=5&uploaderRoles=16-17-4097&_=1631881461368

Hi @Cristi,

Are you able to see your PHP error logs and do you see any relevant error messages there?

-Roger
PKP Team

Any suggestion to fix my problem ?

Hi @Cristi,

I can’t access your Google Drive file. Can you post relevant error log messages here to the forum? That’s typically the preferred way of . Please take care to ensure there isn’t any private information in them (e.g. passwords, etc.)

-Roger
PKP Team

[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT v.*
FROM versions v LEFT JOIN plugin_settings ps ON
lower(v.product_class_name) = ps.plugin_name
AND ps.setting_name = ‘enabled’ AND (context_id = ? OR v.sitewide = 1)
WHERE v.current = 1 AND (ps.setting_value = ‘1’ OR v.lazy_load <> 1)
[1]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT setting_name, setting_value, setting_type FROM plugin_settings WHERE plugin_name = ? AND context_id = ?
[“defaultthemeplugin”,1]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM journals WHERE path = ?
[“BSJoP”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM journal_settings WHERE journal_id = ?
[1]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM journals WHERE path = ?
[“BSJoP”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM journal_settings WHERE journal_id = ?
[1]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.generic.usageStats.UsageStatsLoader”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.generic.usageStats.UsageStatsLoader”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.datacite.DataciteInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.doaj.DOAJInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.crossref.CrossrefInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.medra.MedraInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.generic.usageStats.UsageStatsLoader”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.datacite.DataciteInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.doaj.DOAJInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.crossref.CrossrefInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.medra.MedraInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.generic.usageStats.UsageStatsLoader”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.datacite.DataciteInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.doaj.DOAJInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.crossref.CrossrefInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.medra.MedraInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.generic.usageStats.UsageStatsLoader”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.datacite.DataciteInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.doaj.DOAJInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.crossref.CrossrefInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.medra.MedraInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.generic.usageStats.UsageStatsLoader”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.datacite.DataciteInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.doaj.DOAJInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.crossref.CrossrefInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“plugins.importexport.medra.MedraInfoSender”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“lib.pkp.classes.task.ReviewReminder”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“lib.pkp.classes.task.StatisticsReport”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT last_run FROM scheduled_tasks WHERE class_name = ?
[“classes.tasks.SubscriptionExpiryReminder”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM navigation_menu_items WHERE path = ? and context_id = ? and type= ?
[“user/register”,1,“NMI_TYPE_CUSTOM”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM auth_sources WHERE auth_default = 1
[]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM journals WHERE enabled = 1 ORDER BY seq
[]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM journal_settings WHERE journal_id = ?
[1]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT *
FROM user_groups
WHERE context_id = ? AND
role_id = ?
ORDER BY user_group_id
[1,4096]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM user_group_settings WHERE user_group_id = ?
[16]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT *
FROM user_groups
WHERE context_id = ? AND
role_id = ?
ORDER BY user_group_id
[1,65536]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM user_group_settings WHERE user_group_id = ?
[14]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM user_group_settings WHERE user_group_id = ?
[15]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT *
FROM user_groups
WHERE context_id = ? AND
role_id = ?
ORDER BY user_group_id
[1,1048576]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM user_group_settings WHERE user_group_id = ?
[17]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM versions WHERE current = 1 AND product_type = ? AND product = ?
[“core”,“ojs2”]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM navigation_menus WHERE area_name = ? and context_id = ?
[“primary”,1]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM navigation_menus WHERE area_name = ? and context_id = ?
[“user”,1]
[17-Sep-2021 13:58:05 Europe/Bucharest] Database query
SELECT * FROM versions WHERE current = 1 AND product_type = ? AND product = ?
[“core”,“ojs2”]

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I have the same problem. Did you find out the solution?

No i didn’t find the solution, still waiting for an answer.