TCPDF error: Image file has no extension and no type was specified: https://lh4.googleusercontent.com/bJvVbchD7jiphls2FxTMzwiFCKhDVWIS1JfBR7FDqQ4tktjpZr8vGYJ7aMDNMIg-ev6RIfXKzQX6TelH4olTkz00SfrijBQojePPbvxZWA2nV4XLlpNCOAnO0UVyhUHjDy8CWDs5