# Failed to execute campaign event **URL:** \ **Category:** Product Support\ **Created:** [April 5, 2017, 9:00am UTC](https://forum.mautic.org/t/failed-to-execute-campaign-event/8114 "2017-04-05T09:00:25Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![shakil](https://avatars.discourse-cdn.com/v4/letter/s/da6949/32.png) [@shakil](https://forum.mautic.org/u/shakil)\ **Post date:** [April 5, 2017, 9:00am UTC](https://forum.mautic.org/t/failed-to-execute-campaign-event/8114/1 "2017-04-05T09:00:25Z")
Failed to execute campaign event for “Undisclosed-Recipient:;”@ms.mail.items.tw. Trakom / Trakom 4 days ago What is the solution? How do I find this type of issue in 1 million data? ---
**Author:** ![shakil](https://avatars.discourse-cdn.com/v4/letter/s/da6949/32.png) [@shakil](https://forum.mautic.org/u/shakil)\ **Post date:** [April 5, 2017, 9:00am UTC](https://forum.mautic.org/t/failed-to-execute-campaign-event/8114/2 "2017-04-05T09:00:25Z")
Failed to execute campaign event for “Undisclosed-Recipient:;”@ms.mail.items.tw. Trakom / Trakom 4 days ago What is the solution? How do I find this type of issue in 1 million data? ---
**Author:** ![shakil](https://avatars.discourse-cdn.com/v4/letter/s/da6949/32.png) [@shakil](https://forum.mautic.org/u/shakil)\ **Post date:** [April 5, 2017, 11:30am UTC](https://forum.mautic.org/t/failed-to-execute-campaign-event/8114/3 "2017-04-05T11:30:34Z")
I understand your point. Do you think, it is possible to check or find out this type of email id in 1 millions data. Please give me some alternative solution. ---
**Author:** ![gigcity](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/gigcity/32/104_2.png) [@gigcity](https://forum.mautic.org/u/gigcity)\ **Post date:** [April 5, 2017, 11:50am UTC](https://forum.mautic.org/t/failed-to-execute-campaign-event/8114/4 "2017-04-05T11:50:46Z")
I remember being a young IT guy and telling a user that had a problem to fix it themselves. smh… There are HUGE problems with campaigns and the first support response I got asked if I was willing to hire him on an hourly. I think you’re looking for Mautic to find that problem contact – and CLEARLY tell you what’s wrong with that contact (why it won’t be able to send for a campaign event). Is that correct? I think you’ve found a valid bug (or feature request) and the responsible response from Mautic staff would be – “great catch. We need to update our error handlers to be more informative and proactive. I can’t promise this next week so – for now, you can manually fix your issue like this…” @MxyzptlkFishStix — I’m not taking pot shots at you. BUT - If you’re Mautic staff, I’m suggesting how this dialog can be more helpful. ---
**Author:** ![gigcity](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/gigcity/32/104_2.png) [@gigcity](https://forum.mautic.org/u/gigcity)\ **Post date:** [April 7, 2017, 5:32pm UTC](https://forum.mautic.org/t/failed-to-execute-campaign-event/8114/5 "2017-04-07T17:32:43Z")
@MxyzptlkFishStix — Great observation. Looks like the search that your prescribed is easy enough.