Error "The specified sa password does not meet strong password requirements" while installing PDM Essentials 11.1

INFO  SuperInstaller.Installer.SQLServerInstaller - Installing SQL Server...
DEBUG SuperInstaller.Installer.SQLServerInstaller -  SQLServerModel: [SQLServerInstallFolder=C:\Program Files\Microsoft SQL Server]
DEBUG SuperInstaller.Installer.SQLServerInstaller -  CMDExecution: [ChangeToFolder=<Path>\PDM_Essentials_0xx\SQLServer2014] [WorkingFolder=<Path>\PDM_Essentials_0xx\SQLServer2014] [Command=<Path>\PDM_Essentials_020\SQLServer2014\setup.exe] [CommandArgs= /QUIET /ACTION="Install" /SAPWD="Administrat0r" /FEATURES="SQLENGINE,REPLICATION,FULLTEXT,CONN,IS,BC,SDK,SSMS,ADV_SSMS,SNAC_SDK" /INSTANCENAME="MSSQLSERVER" /SQLSYSADMINACCOUNTS="BUILTIN\Administrators" /SQLSVCACCOUNT="NT AUTHORITY\SYSTEM" /AGTSVCACCOUNT="NT AUTHORITY\SYSTEM" /ISSVCACCOUNT="NT AUTHORITY\SYSTEM" /SECURITYMODE=SQL /SQLCOLLATION="SQL_Latin1_General_CP1_CI_AS" /TCPENABLED=1 /INSTALLSHAREDDIR="<Path>\Program Files\Microsoft SQL Server" /INSTALLSHAREDWOWDIR="<Path>\Program Files\Microsoft SQL Server(x86)" /INSTANCEDIR="<Path>\Program Files\Microsoft SQL Server" /IACCEPTSQLSERVERLICENSETERMS /UpdateEnabled="False"]
DEBUG SuperInstaller.Installer.SQLServerInstaller - The following error occurred:
DEBUG SuperInstaller.Installer.SQLServerInstaller - The specified sa password does not meet strong password requirements. For more information about strong password requirements, see "Database Engine Configuration - Account Provisioning" in Setup Help or in %SQL_PRODUCT_SHORT_NAME% Books Online.
DEBUG SuperInstaller.Installer.SQLServerInstaller - 
DEBUG SuperInstaller.Installer.SQLServerInstaller - Error result: -2061893613
DEBUG SuperInstaller.Installer.SQLServerInstaller - Result facility code: 1306
DEBUG SuperInstaller.Installer.SQLServerInstaller - Result error code: 19
DEBUG SuperInstaller.Installer.SQLServerInstaller - 
DEBUG SuperInstaller.Installer.SQLServerInstaller - Please review the summary.txt log for further details
DEBUG SuperInstaller.Installer.SQLServerInstaller - Microsoft (R) SQL Server 2014 12.00.4100.01
DEBUG SuperInstaller.Installer.SQLServerInstaller - 
DEBUG SuperInstaller.Installer.SQLServerInstaller - Copyright (c) Microsoft Corporation.  All rights reserved.
DEBUG SuperInstaller.Installer.SQLServerInstaller - 
DEBUG SuperInstaller.Installer.SQLServerInstaller - 
DEBUG SuperInstaller.Installer.SQLServerInstaller - SQLServer setup exit code: -2061893613
INFO  SuperInstaller.Installer.SQLServerInstaller - SQL Server installation finished with result: Failure
ERROR SuperInstaller.SuperInstallerForm - SQL Server Failed.
DEBUG SuperInstaller.SuperInstallerForm - OUT: runInstallers
DEBUG SuperInstaller.InstallSteps.InstallProgressStep - SetProgressbarValue: value 100
DEBUG SuperInstaller.SuperInstallerForm - Finished Installation worker...
DEBUG SuperInstaller.SuperInstallerForm - Checking each installer status...
DEBUG SuperInstaller.SuperInstallerForm - Installer Name: SQL Server IsInstalled: False
DEBUG SuperInstaller.SuperInstallerForm - Installer Name: Windchill Server IsInstalled: False
DEBUG SuperInstaller.SuperInstallerForm - Install Final Result : False
DEBUG SuperInstaller.SuperInstallerForm - IN: finishButton_Click
DEBUG SuperInstaller.SuperInstallerForm - OUT: finishButton_Click
DEBUG SuperInstaller.Program - End Windchill Superinstaller ...