The file is locked for exclusive use by user... SharePoint

The file is locked for exclusive use by SharePoint
Please do not forget to comment if this helps.

Use below PS script to unlock document. (Will need farm admin access)

$web = Get-SpWeb <SP Web URL>
$item = $web.GetListItem("<Document URL including web>")
#e.g : https://my.sp.com/sites/test1/2017/myPlan.xlsx
$item.file.LockType
$item.file.LockedByUser
$item.file.LockExpires


## Unlock
$userId = $item.File.LockedByUser.ID
$user = $web.AllUsers.GetById($userId)
$impSite = New-Object Microsoft.SharePoint.SPSite($web.Url, $user.UserToken);
$impWeb = $impSite.OpenWeb();
$impItem = $impWeb.GetListItem("http:\\domain.FULLURL.com\FilaName.xlsx")
$impItem.File.ReleaseLock($impItem.File.LockId)


$web.dispose()
$impWeb.dispose()