ios crash

[binSaed]

flutter_share_me was compiled with optimization - stepping may behave oddly; variables may not be available.
Unable to load moduleUnable to load module 'FBSDKCoreKit ''FBAEMKit.
'.
Unable to load module 'FBSDKShareKit'.
Unable to load module 'FBSDKLoginKit'.
Unable to load module 'FBAEMKit'.
Unable to load module 'FBSDKCoreKit'.
Unable to load module 'FBSDKLoginKit'.
Unable to load module 'FBSDKShareKit'.

• thread Can i use it to share image #1, queue = 'com.apple.main-thread', stop reason = Swift runtime failure: Unexpectedly found nil while unwrapping an Optional value
  frame Can i use it to share image #1: 0x00000001075a4148 flutter_share_me`specialized SwiftFlutterShareMePlugin.sharefacebook(message=Swift.Dictionary<Swift.String, Any> @ scalar, self=0x0000000280a28500) at SwiftFlutterShareMePlugin.swift:192:78 [opt]
  189 let viewController = UIApplication.shared.delegate?.window??.rootViewController
  190 //let shareDialog = ShareDialog()
  191 let shareContent = ShareLinkContent()
  -> 192 shareContent.contentURL = URL.init(string: message["url"] as! String)!
  ^
  193 shareContent.quote = message["msg"] as? String
  194
  195 let shareDialog = ShareDialog(viewController: viewController, content: shareContent, delegate: self)
  Target 0: (Runner) stopped.