Json Column issue Home › Forums › Support › Json Column issue This topic has 0 replies, 1 voice, and was last updated 7 years ago by Mikael. Viewing 1 post (of 1 total) Author Posts March 2, 2016 at 3:48 pm #8899 MikaelGuest Hi, I’m getting this error when I use the python parser: Json column key could not be found. Unknown cause. The data seems to be there – I just want to make sure that it’s not affecting the data integrity. Thanks! Author Posts Viewing 1 post (of 1 total) The forum ‘Support’ is closed to new topics and replies.