# Transaction group duplicate row caused from online edits **URL:** \ **Category:** Ignition\ **Tags:** ignition80\ **Created:** [June 27, 2020, 3:23am UTC](https://forum.inductiveautomation.com/t/transaction-group-duplicate-row-caused-from-online-edits/36112 "2020-06-27T03:23:30Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![jlandwerlen](https://avatars.discourse-cdn.com/v4/letter/j/bc8723/32.png) [@jlandwerlen](https://forum.inductiveautomation.com/u/jlandwerlen)\ **Post date:** [June 27, 2020, 3:23am UTC](https://forum.inductiveautomation.com/t/transaction-group-duplicate-row-caused-from-online-edits/36112/1 "2020-06-27T03:23:31Z")
I’ve had an issue using transaction groups for as long as I can remember, and it looks like it’s caused from online edits in Logix. I have a transaction group that inserts a new row when a trigger changes (only execute once and prevent on group start). The trigger is an integer/count. I have noticed that on occasion, not very often, I will see duplicate rows, the only difference in data is the id (primary key). It seems like this happens when I make online edits in Logix (L81 v32). I have actually been fighting this for a while and think this is the root cause. The group execution is slow, 1 second. Anyone else see this? ---
**Author:** ![jlandwerlen](https://avatars.discourse-cdn.com/v4/letter/j/bc8723/32.png) [@jlandwerlen](https://forum.inductiveautomation.com/u/jlandwerlen)\ **Post date:** [July 14, 2020, 9:35pm UTC](https://forum.inductiveautomation.com/t/transaction-group-duplicate-row-caused-from-online-edits/36112/2 "2020-07-14T21:35:41Z")
Changing OPC Data Mode under advanced settings fixed this issue for me. FYI, I store data into a FIFO/buffer and then unload when I can. Normally, once data enters the FIFO it is immediately unloaded. However, it’s interesting to watch whenever I make an online edit, the buffer will start to fill up (probably 5-8 events), then recover about 10 seconds later. I’m assuming something with the driver and subscribing to tags? Even with automatic browse turned off in the driver I still had issues. At any rate, glad this fixed it for me.