RPT help

So my rpt is just spammed with
21:32:00 Wrong text element 'null'
21:32:01 Wrong text element 'null'
21:32:01 Wrong text element 'null'
21:32:01 Wrong text element 'null'
21:32:01 Wrong text element 'null'
21:32:02 Wrong text element 'null'

any reason why it is doing that?