Upgrade from 2.4.8.5 to 3.1.2.1 failed with error Column 'review_round_id' cannot be null

Hello All.

I tried to Upgrade from 2.4.8.5 to 3.1.2.1 and i got the error at the end.

root@new-ojs-2019:/var/www/ojs-3.1.2-1# php7.2 tools/upgrade.php upgrade

[pre-install]

[load: upgrade.xml]

[version: 3.1.2.1]

[code: Installer Installer::checkPhpVersion]

[code: Installer Installer::syncSeriesAssocType]

[data: dbscripts/xml/upgrade/2.4.0_preupdate_usageStatistics.xml (skipped)]

[data: dbscripts/xml/upgrade/2.4.0_preupdate_usageStatistics2.xml (skipped)]

[code: Installer Installer::removeReviewEntries]

[data: dbscripts/xml/upgrade/3.0.0_preupdate.xml]

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

[data: dbscripts/xml/upgrade/3.0.0_adaptTimedViews.xml (skipped)]

[data: dbscripts/xml/upgrade/3.0.0_adaptReferrals.xml]

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

[data: dbscripts/xml/upgrade/3.0.0_adaptBooksForReview.xml]

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

[data: dbscripts/xml/upgrade/remove_timed_views_bots.xml (skipped)]

[data: dbscripts/xml/upgrade/3.0.0_preupdate_commentsToEditor.xml]

[data: dbscripts/xml/upgrade/3.1.0_preupdate_review_assignments.xml]

[data: dbscripts/xml/upgrade/3.1.0_preupdate_notes.xml]

[data: dbscripts/xml/upgrade/3.1.0_preupdate_payments.xml]

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

[data: dbscripts/xml/upgrade/3.1.1_preupdate_citations.xml]

PHP Notice: Only variables should be assigned by reference in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/DBDataXMLParser.inc.php on line 122

[data: dbscripts/xml/upgrade/3.1.2_preupdate_user_author_names.xml]

[schema: lib/pkp/xml/schema/common.xml]

[schema: lib/pkp/xml/schema/log.xml]

[schema: lib/pkp/xml/schema/announcements.xml]

[schema: lib/pkp/xml/schema/scheduledTasks.xml]

[schema: lib/pkp/xml/schema/temporaryFiles.xml]

[schema: lib/pkp/xml/schema/metadata.xml]

[schema: lib/pkp/xml/schema/reviews.xml]

[schema: lib/pkp/xml/schema/reviewForms.xml]

[schema: lib/pkp/xml/schema/controlledVocab.xml]

[schema: lib/pkp/xml/schema/submissions.xml]

[schema: lib/pkp/xml/schema/submissionFiles.xml]

[schema: lib/pkp/xml/schema/categories.xml]

[schema: lib/pkp/xml/schema/notes.xml]

[schema: lib/pkp/xml/schema/genres.xml]

[schema: lib/pkp/xml/schema/tombstone.xml]

[schema: lib/pkp/xml/schema/rolesAndUserGroups.xml]

[schema: lib/pkp/xml/schema/metrics.xml]

[schema: lib/pkp/xml/schema/views.xml]

[schema: lib/pkp/xml/schema/libraryFiles.xml]

[schema: lib/pkp/xml/schema/navigationMenus.xml]

[schema: dbscripts/xml/ojs_schema.xml]

[data: dbscripts/xml/indexes.xml]

[code: Installer Installer::installDefaultNavigationMenus]

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/SettingsDAO.inc.php on line 35

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::migrateStaticPagesToNavigationMenuItems]

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::migrateSRLocale]

[code: Installer Installer::migrateUserAndAuthorNames]

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::concatenateIntoAbout]

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/db/SettingsDAO.inc.php on line 35

PHP Warning: Invalid argument supplied for foreach() in /var/www/ojs-3.1.2-1/classes/install/Upgrade.inc.php on line 2078

PHP Warning: Invalid argument supplied for foreach() in /var/www/ojs-3.1.2-1/classes/install/Upgrade.inc.php on line 2078

PHP Warning: Invalid argument supplied for foreach() in /var/www/ojs-3.1.2-1/classes/install/Upgrade.inc.php on line 2078

PHP Warning: Invalid argument supplied for foreach() in /var/www/ojs-3.1.2-1/classes/install/Upgrade.inc.php on line 2078

[code: Installer Installer::concatenateIntoMasthead]

PHP Warning: Invalid argument supplied for foreach() in /var/www/ojs-3.1.2-1/classes/install/Upgrade.inc.php on line 2238

PHP Warning: Invalid argument supplied for foreach() in /var/www/ojs-3.1.2-1/classes/install/Upgrade.inc.php on line 2238

PHP Warning: Invalid argument supplied for foreach() in /var/www/ojs-3.1.2-1/classes/install/Upgrade.inc.php on line 2238

PHP Warning: Invalid argument supplied for foreach() in /var/www/ojs-3.1.2-1/classes/install/Upgrade.inc.php on line 2238

[code: Installer Installer::migrateCounterPluginUsageStatistics (skipped)]

[code: Installer Installer::migrateTimedViewsUsageStatistics (skipped)]

[code: Installer Installer::migrateDefaultUsageStatistics (skipped)]

[data: dbscripts/xml/upgrade/2.4.0_postUsageStatsMigration.xml (skipped)]

[data: dbscripts/xml/upgrade/2.4.0_postUsageStatsMigration2.xml (skipped)]

[data: dbscripts/xml/upgrade/2.4.0_postCounterMigration.xml (skipped)]

[data: dbscripts/xml/upgrade/2.4.0_postTimedViewsMigration.xml (skipped)]

[data: dbscripts/xml/upgrade/3.0.0_change_assoc_type.xml]

[data: dbscripts/xml/upgrade/3.0.0_change_assoc_type_metrics.xml]

[data: dbscripts/xml/upgrade/3.0.0_settings.xml]

[code: Installer Installer::installDefaultGenres]

[code: Installer Installer::migrateArticleMetadata]

PHP Warning: Declaration of SubmissionKeywordEntryDAO::getByControlledVocabId($controlledVocabId, $rangeInfo = NULL) should be compatible with ControlledVocabEntryDAO::getByControlledVocabId($controlledVocabId, $rangeInfo = NULL, $filter = NULL) in /var/www/ojs-3.1.2-1/lib/pkp/classes/submission/SubmissionKeywordEntryDAO.inc.php on line 20

PHP Warning: Declaration of SubmissionLanguageEntryDAO::getByControlledVocabId($controlledVocabId, $rangeInfo = NULL) should be compatible with ControlledVocabEntryDAO::getByControlledVocabId($controlledVocabId, $rangeInfo = NULL, $filter = NULL) in /var/www/ojs-3.1.2-1/lib/pkp/classes/submission/SubmissionLanguageEntryDAO.inc.php on line 46

PHP Warning: Declaration of SubmissionDisciplineEntryDAO::getByControlledVocabId($controlledVocabId, $rangeInfo = NULL) should be compatible with ControlledVocabEntryDAO::getByControlledVocabId($controlledVocabId, $rangeInfo = NULL, $filter = NULL) in /var/www/ojs-3.1.2-1/lib/pkp/classes/submission/SubmissionDisciplineEntryDAO.inc.php on line 44

PHP Warning: Declaration of SubmissionAgencyEntryDAO::getByControlledVocabId($controlledVocabId, $rangeInfo = NULL) should be compatible with ControlledVocabEntryDAO::getByControlledVocabId($controlledVocabId, $rangeInfo = NULL, $filter = NULL) in /var/www/ojs-3.1.2-1/lib/pkp/classes/submission/SubmissionAgencyEntryDAO.inc.php on line 44

[data: dbscripts/xml/upgrade/3.0.0_update.xml]

[code: Installer Installer::clearDataCache]

[code: Installer Installer::migrateUserRoles]

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::fixReviewForms]

[code: Installer Installer::htmlifyEmailTemplates]

[note: docs/release-notes/README-BEACON]

[code: Installer Installer::installEmailTemplate]

[code: Installer Installer::installEmailTemplate]

[code: Installer Installer::installEmailTemplate]

[code: Installer Installer::installEmailTemplate]

[code: Installer Installer::installEmailTemplate]

[code: Installer Installer::installEmailTemplate]

[data: dbscripts/xml/upgrade/3.0.0_scheduledTasks.xml]

[code: Installer Installer::localizeCustomBlockSettings]

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::convertEditorDecisionNotes]

[code: Installer Installer::convertQueries]

[code: Installer Installer::migrateFiles]

WARNING: Unable to find a match for “2981-5160-2-PB.pdf” in “/pasithee_upload_files/journals/7//articles/2981/”. Skipping this file.

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

WARNING: Unable to find a match for “2751-4725-2-PB.pdf” in “/pasithee_upload_files/journals/9//articles/2751/”. Skipping this file.

WARNING: Unable to find a match for “2994-5184-1-PB.pdf” in “/pasithee_upload_files/journals/9//articles/2994/”. Skipping this file.

[code: Installer Installer::convertSupplementaryFiles]

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::provideSupplementaryFilesForReview]

[code: Installer Installer::setFileUploader]

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::setFileName]

PHP Warning: Illegal string offset ‘el_GR’ in /var/www/ojs-3.1.2-1/lib/pkp/classes/core/DataObject.inc.php on line 133

[data: dbscripts/xml/upgrade/3.0.0_postupdate.xml]

[data: dbscripts/xml/upgrade/3.0.0_pubId_settings.xml]

[data: dbscripts/xml/upgrade/3.0.0_postupgrade_galley_files.xml]

[data: dbscripts/xml/upgrade/3.0.0_postupgrade_metrics.xml]

[data: dbscripts/xml/upgrade/3.0.0_issue_settings.xml]

[data: dbscripts/xml/upgrade/3.0.0_submission_settings.xml]

[data: dbscripts/xml/upgrade/3.0.0_review_method.xml]

[data: dbscripts/xml/upgrade/3.0.0_edit_decisions.xml]

[data: dbscripts/xml/upgrade/3.0.1_update.xml]

[code: Installer Installer::convertCommentsToEditor]

PHP Warning: Element ‘<a><em><strong><cite><code><ul><ol><li><dl><dt><dd><b><i><u><img><sup><sub><br><p>’ is not supported (for information on implementing this, see the support forums) in /var/www/ojs-3.1.2-1/lib/pkp/lib/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLDefinition.php on line 311

[note: docs/release-notes/README-3.0]

[note: docs/release-notes/README-3.0.1]

[data: dbscripts/xml/upgrade/3.0.2_update.xml]

[note: docs/release-notes/README-3.0.2]

[code: Installer Installer::moveReviewerFiles]

[code: Installer Installer::fixAuthorGroup]

[data: dbscripts/xml/upgrade/3.0.0_reviewer_files.xml]

ERROR: Upgrade failed: DB: Column ‘review_round_id’ cannot be null

root@new-ojs-2019:/var/www/ojs-3.1.2-1#

Any suggestion? I cannot see any table named article_files into the database.

Thank you in advance.
Best Regards
Konstantinos