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Getting below error while running SharePoint configuration wizard on SharePoint 2016 Farm.

07/29/2019 14:14:04 15 ERR Task upgradebootstrap has failed with an unknown exception 07/29/2019 14:14:04 15 ERR Exception: Microsoft.SharePoint.Upgrade.SPUpgradeException: Action 16.0.1.0 of Microsoft.Office.Project.Server.Database.Extension.Upgrade.PDEUpgradeSequence failed. ---> Microsoft.SharePoint.Upgrade.SPUpgradeException: Failed to extract the schema version from the backcompat sql script ---> System.IO.FileNotFoundException: Failed to find the Sql script file at D:\Program Files\Microsoft Office Servers\16.0\Sql\Project Server\Core\contentdatabasebackcompat.sql at Microsoft.Office.Project.Server.Administration.ProjectDatabaseSqlScript.GetInstance(String scriptName, Boolean isDDL) at Microsoft.Office.Project.Server.Database.Extension.Upgrade.PDEUpgradeSequence.GetRestoredDatabaseVersion() --- End of inner exception stack trace --- at Microsoft.Office.Project.Server.Database.Extension.Upgrade.PDEUpgradeSequence.GetRestoredDatabaseVersion() at Microsoft.Office.Project.Server.Database.Extension.Upgrade.PDECreateSchemaObjectsUpgrader.Upgrade() at Microsoft.SharePoint.Upgrade.SPActionSequence.Upgrade() --- End of inner exception stack trace --- at Microsoft.SharePoint.Upgrade.SPActionSequence.Upgrade() at Microsoft.SharePoint.Upgrade.SPUpgradeSession.RunUpgraders(Object o, List`1 lstClass) at Microsoft.SharePoint.Upgrade.SPUpgradeSession.Upgrade(Object o, Boolean bRecurse) at Microsoft.SharePoint.Upgrade.SPManager.BootStrap(Guid sessionId, SPUpgradeOperationFlags flags) at Microsoft.SharePoint.PostSetupConfiguration.UpgradeBootstrapTask.Run() at Microsoft.SharePoint.PostSetupConfiguration.TaskThread.ExecuteTask()

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Try to do as follows:

1.Run the following in the SharePoint 2016 Management Shell to upgrade the compoments in the Central Administration database:

Get-SPWebApplication <Central Administration URL> | Get-SPContentDatabase | Upgrade-SPContentDatabase

2.Run the SharePoint 2016 Products Configuration Wizard from the command line:

PSConfig.exe -cmd upgrade -inplace b2b -wait -force -cmd applicationcontent -install -cmd installfeatures -cmd secureresources

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