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#announcements
Title
# announcements
w

white-salesclerk-40048

02/21/2023, 11:21 AM
Hello team, if my experiment query has an error that says "Precondition failed" it's a duplicate of another experiment that doesn't have the error, what could be the problem? Thank you in advance.
f

future-teacher-7046

02/21/2023, 2:21 PM
Which data source are you using? I haven't seen that error before
w

white-salesclerk-40048

02/21/2023, 5:23 PM
Mixpanel
f

future-teacher-7046

02/21/2023, 5:32 PM
Hmm, I'm pretty sure the error is coming from the Mixpanel API returning a 412 error status code, but I can't find anything in their docs that explains what causes that error.
w

white-salesclerk-40048

02/21/2023, 5:33 PM
Okay thank you I'll keep looking
h

helpful-application-7107

02/27/2023, 3:45 PM
@white-salesclerk-40048, is there any chance that you can use 'View Query' and copy the JQL to execute it directly in to Mixpanel? I wonder if that might give us a more informative error that we can help debug.
w

white-salesclerk-40048

05/08/2023, 8:11 AM
@helpful-application-7107 Apologies for the late reply, I ran the query on mixpanel it returned the same error precondition failed
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