Created Issue: New-SPConfigurationDatabase: Value cannot be null Parameter name: password [19642]

When I try to execute the latest AutoSPInstaller script 3.86 I get the following error in the Step "Creating config database"

- Creating config database "SPTEST_Config"...
New-SPConfigurationDatabase : Value cannot be null.
Parameter name: password
At \\C:\AutoSPInstaller\AutoSPInstallerFunctions.ps1:1152 char:13
+ New-SPConfigurationDatabase -DatabaseName "$configDB"
-DatabaseServe ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~
+ CategoryInfo : InvalidData: (Microsoft.Share...urationDatabase:
SPCmdletNewSPConfigurationDatabase) [New-SPConfigurationDatabase], Argumen
tNullException
+ FullyQualifiedErrorId : Microsoft.SharePoint.PowerShell.SPCmdletNewSPCon
figurationDatabase

--------------------------------------------------------------
- Script halted!
- Error creating new farm configuration database

In my AutoSPInstallerInput File the farm account and it's password are defined. Has anyone an idea what could cause this error?