i got the same problem could any body please provide solution
[pre-install]
[load: upgrade.xml]
[version: 3.1.1.4]
[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]
DB Error: Table 'ojsxx.articles' doesn't exist
Stack Trace:
File: /home/lifescie/public_html/pms/classes/install/Upgrade.inc.php line 78
Function: DAO->retrieve("SELECT article_id, journal_id, review_file_id FROM articles WHER...")
File: (unknown) line (unknown)
Function: Upgrade->removeReviewEntries(Object(Upgrade), Array(1))
File: /home/lifescie/public_html/pms/lib/pkp/classes/install/Installer.inc.php line 421
Function: call_user_func(Array(2), Object(Upgrade), Array(1))
File: /home/lifescie/public_html/pms/lib/pkp/classes/install/Installer.inc.php line 265
Function: Installer->executeAction(Array(3))
File: /home/lifescie/public_html/pms/lib/pkp/classes/install/Installer.inc.php line 186
Function: Installer->executeInstaller()
File: /home/lifescie/public_html/pms/lib/pkp/classes/cliTool/UpgradeTool.inc.php line 88
Function: Installer->execute()
File: /home/lifescie/public_html/pms/lib/pkp/classes/cliTool/UpgradeTool.inc.php line 64
Function: UpgradeTool->upgrade()
File: /home/lifescie/public_html/pms/tools/upgrade.php line 34
Function: UpgradeTool->execute()
it is the error i got when i run php tools/upgrade.php upgrade through cli kindly let me out of out of this i am completely stuck with it