Powershell script only works if breakpoint is present - powershell

Question

I have a powershell script which reads file and folder info and adds data to an array.
The script runs fine if there is a breakpoint present. The breakpoint can be anywhere in the script and as soon as it is reached and I continue the execution the code finishes without error.
Even if I set the breakpoint to Disabled with Get-PSBreakpoint | Disable-PSBreakpoint the line before the breakpoint the code executes without error.
When the breakpoint is removed the code errors with "Method invocation failed because [System.ManagementAutomation.PSObject] doesn't contain method named op_Addition when adding to the array.
The error occurs here
$report += New-Object -TypeName PSObject -Property $props
and here
$filerec += New-Object -TypeName PSObject -Property $propsfile
This is the function where the error occurs
function ScanDrive([string]$scanpath)
{
#Scan the drive
$files = Get-ChildItem -Path $scanpath -Force -Recurse
$filecount = $files.Count
$Counter = 0
#Set up the result array
$folderRes = #()
$filesRes = #()
ForEach ($file in $files)
{
$lblInfo.Text = $file.FullName
$Form.Refresh()
$Counter++
[Int]$Percentage = ($Counter/$filecount)*100
$pbScan.Value = $Percentage
Write-Debug "Help"
if ($file.Attributes -eq 'Directory')
{
write-host 'This is a folder' + $file.FullName -ForegroundColor DarkGreen
try
{
$acl = Get-Acl -path $file.PSPath
Write-Host 'ACL' + $acl.Group.ToString()
$access = $acl.access
foreach($ar in $access)
{
$props = [ordered]#{
'ID' = ''
'FolderName' = $file.Name;
'ADGroupUser' = $ar.IdentityReference;
'Permissions' = $ar.FileSystemRights.ToString();
'ControlType' = $ar.AccessControlType;
'IsInherited' = $ar.IsInherited
}
$report += New-Object -TypeName PSObject -Property $props
$folderRes += $report
}
Write-Host "Folder record count : " + $folderRes.Count.ToString()
}
catch
{
Write-Host '******************************' -ForegroundColor Yellow
Write-Host 'Error ' + $_.Exception.Message -ForegroundColor Red
Write-Host '******************************' -ForegroundColor Yellow
}
}
else
{
write-host 'This is a file' + write-host $file.FullName -ForegroundColor DarkGreen
$iname = $file.Name
$iparent = $file.PSParentPath
$isize = $file.Length
$itype = $file.Extension
$iowner = get-acl $file.FullName
$owner = $iowner.Owner
$icreated = $file.CreationTime
$ilasmod = $file.LastWriteTime
$idirectory = $file.Directory
$ireadonly = $file.IsReadOnly
$ilastacc = $file.LastAccessTime
$ifilename = $file.FullName
$usergroup = $iowner.Group
$iatts = $file.Attributes
$propsfile = [ordered]#{
'ID' = ''
'Name' = $iname;
'Parent' = $iparent;
'Size' = $isize;
'Type' = $itype;
'Owner' = $owner;
'CreatedDate' = $icreated;
'LastModDate' = $ilasmod;
'Directory' = $idirectory;
'IsReadOnly' = $ireadonly;
'LastAccessedDate' = $ilastacc;
'FileName' = $ifilename;
'UserGroup' = $usergroup;
'Attributes' = $iatts;
'LoggedDate' = Get-Date
}
$filerec += New-Object -TypeName PSObject -Property $propsfile
$filesRes += $filerec
}
}
Write-Host "File record count : " + $filesRes.Count.ToString()
Return $filesRes,$folderRes
}

Answer 1

You don't need to add to $filerec and $report, you can just overwrite them (change += to =):
$filerec = New-Object -TypeName PSObject -Property $propsfile
$report = New-Object -TypeName PSObject -Property $props
Current code tries to create an array of objects and then add it to another array which would create duplicates in $folderRes and $filesRes.