Unable to recreates editform.aspx of a sharepoint online library using PowerShell getting the error

[RJRaju]

Edit Form is not present in the sharepoint online library.Due to threshold limit exceeded we are unable to recreate edit form using sharepoint designer so i am trying to recreate the edit form in sharepoint online using power shell.

Add-Type -Path 'C:\Program Files\WindowsPowerShell\Modules\SharePointPnPPowerShellOnline\3.11.1907.0\Microsoft.SharePoint.Client.dll' 
Add-Type -Path 'C:\Program Files\WindowsPowerShell\Modules\SharePointPnPPowerShellOnline\3.11.1907.0\Microsoft.SharePoint.Client.Runtime.dll'
 
#Set parameter values
$SiteURL=""
$listname="Editrecreate"

#Setup Credentials to connect
$Cred= Get-Credential
$Credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($Cred.Username, $Cred.Password)

#Setup the context
$Ctx = New-Object Microsoft.SharePoint.Client.ClientContext($SiteURL)
$Ctx.Credentials = $Credentials
$Web = $Ctx.Web
$Ctx.Load($web)
$Ctx.executeQuery()

do{

$list = $Ctx.Web.Lists.GetByTitle($listname)
$Ctx.Load($list)
$Ctx.Load($list.rootfolder)
$Ctx.ExecuteQuery()
$files = $list.rootfolder.files
$Ctx.Load($files)
$Ctx.ExecuteQuery()

<#---------------------------- Delete Forms ----------------------

$form1 = $list.RootFolder.files | ?{$_.url -match "dispform.aspx"}

$form2 = $list.RootFolder.files | ?{$_.url -match "editform.aspx"}

$form3 = $list.RootFolder.files | ?{$_.url -match "newform.aspx"}

$form2.delete()
$form1.delete()
$form3.delete()

$list.update()#>

# --------------------------recreating --------------------------------

$editformurl = $list.RootFolder.ServerRelativeUrl + "/editform.aspx"
#$dispformurl = $list.RootFolder.ServerRelativeUrl + "/Dispform.aspx"
#$newformurl = $list.RootFolder.ServerRelativeUrl + "/NewForm.aspx"
$Ctx.Load($editformurl)
$Ctx.ExecuteQuery()
##$dispform = $files.add($dispformurl, [Microsoft.SharePoint.SPTemplateFileType]::FormPage)
$editform = $files.add($editformurl, [Microsoft.SharePoint.SPTemplateFileType]::FormPage)
#$newform = $files.add($newformurl, [Microsoft.SharePoint.SPTemplateFileType]::FormPage)

$wpm = $editform.GetLimitedWebPartManager([System.Web.UI.WebControls.WebParts.PersonalizationScope]::Shared)
#$wpm2 = $dispform.GetLimitedWebPartManager([System.Web.UI.WebControls.WebParts.PersonalizationScope]::Shared)
#$wpm3 = $newform.GetLimitedWebPartManager([System.Web.UI.WebControls.WebParts.PersonalizationScope]::Shared)

$lfw1 = new-object ([Microsoft.SharePoint.WebPartPages.ListFormwebpart])
#$lfw2 = new-object ([Microsoft.SharePoint.WebPartPages.ListFormwebpart])
#$lfw3 = new-object ([Microsoft.SharePoint.WebPartPages.ListFormwebpart])

$ilist1 = [Microsoft.SharePoint.WebPartPages.IListWebPart]($lfw1)
#$ilist2 = [Microsoft.SharePoint.WebPartPages.IListWebPart]($lfw2)
#$ilist3 = [Microsoft.SharePoint.WebPartPages.IListWebPart]($lfw3)

$ilist1.ListId = $list.id
$ilist1.PageType = [Microsoft.SharePoint.PAGETYPE]::PAGE_EDITFORM;

#$ilist2.ListId = $list.id
#$ilist2.PageType = [Microsoft.SharePoint.PAGETYPE]::PAGE_DISPLAYFORM;

#$ilist3.ListId = $list.id
#$ilist3.PageType = [Microsoft.SharePoint.PAGETYPE]::PAGE_NEWFORM;

$wpm.AddWebPart($lfw1, "Main", 1)
#$wpm2.AddWebPart($lfw2, "Main", 1) 
#$wpm3.AddWebPart($lfw3, "Main", 1)


#$list.DefaultDisplayFormUrl = $dispformurl
$list.DefaultEditFormUrl = $editformurl 
#$list.DefaultNewFormUrl = $newformurl

$list.update()
}
while ($TRUE)  

Error

we are getting the below error.

 Unable to find type [Microsoft.SharePoint.SPTemplateFileType].
At D:\PowerShellScripts\formsRecreate.ps1:55 char:38
+ ... s.add($editformurl, [Microsoft.SharePoint.SPTemplateFileType]::FormPa ...
+                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (Microsoft.SharePoint.SPTemplateFileType:TypeName) [], RuntimeException
    + FullyQualifiedErrorId : TypeNotFound

 Please help anyone thanks in advance.