[SOLVED] Illegal string offset 'en_US' in DataObject.inc.php on line 133

These were errors when running php tools/upgrade.php upgrade:
[schema: dbscripts/xml/ojs_schema.xml]
[data: dbscripts/xml/indexes.xml]

[code: Installer Installer::installDefaultNavigationMenus]
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133

PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::migrateStaticPagesToNavigationMenuItems]
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::migrateSRLocale]

[code: Installer Installer::migrateNOLocale]

[code: Installer Installer::concatenateIntoAbout]
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/db/SettingsDAO.inc.php on line 35
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/db/SettingsDAO.inc.php on line 35

[code: Installer Installer::concatenateIntoMasthead]
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/db/SettingsDAO.inc.php on line 35
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/db/SettingsDAO.inc.php on line 35

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

[code: Installer Installer::migrateArticleMetadata]
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/db/SettingsDAO.inc.php on line 35
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/db/SettingsDAO.inc.php on line 35
[data: dbscripts/xml/upgrade/3.0.0_update.xml]

[code: Installer Installer::clearDataCache]

[code: Installer Installer::migrateUserRoles]
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::fixReviewForms]

[code: Installer Installer::htmlifyEmailTemplates]
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/db/SettingsDAO.inc.php on line 35
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/db/SettingsDAO.inc.php on line 35
[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 ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::convertEditorDecisionNotes]

[code: Installer Installer::convertQueries]

[code: Installer Installer::migrateFiles]
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::convertSupplementaryFiles]

[code: Installer Installer::provideSupplementaryFilesForReview]

[code: Installer Installer::setFileUploader]
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133

[code: Installer Installer::setFileName]
PHP Warning: Illegal string offset ‘en_US’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
PHP Warning: Illegal string offset ‘lt_LT’ in /var/www/html/ojs33/lib/pkp/classes/core/DataObject.inc.php on line 133
[data: dbscripts/xml/upgrade/3.0.0_postupdate.xml]