Unhandled exception: Collection was modified; enumeration operation may not execute.

[TraderYoda]

Hello Support

Any idea was this error means?

"Unhandled exception: Collection was modified; enumeration operation may not execute."

Appreciate your help

[NinjaTrader_AlanS]

Hello TraderYoda,

Please send me your log and trace files so that I may look into what occurred.

You can do this by going to the Control Center-> Help-> Mail to Platform Support.

Ensuring 'Log and Trace Files' is checked will include these files. This is checked by default.

Please include a link to this forum thread on the body of your email.

[ttodua]

I have the same problem. probably something problem is in the indi, as it adds custom button on chart toolbar.

this error happens quite a long time, after I leave a chart, then return back, and try to open Indicators menu.

[NinjaTrader_DrewO]

TazoTodua,

We would invite you to also write in using the steps outlined in the original reply.