Historic data change

[Easy]

Hi guys,

historic data going back as far as beginning of Feb has changed over
the weekend of the 1st March / 2nd March (spend is what I'm looking
at).

Any reason for this?

E

[Mehdi]

We have the same probleme here.
In the past we have already see some change (even on the web
interface).
We encoutred some problem in order to explain to our customer, why we
encountred this difference with google UI?
Moreover we have nigthmares thinking about taking again all the
february and some of january reports.
Not even thought about the cost in quota

Mehdi

[Reed]

The response we got back from our Google rep was:

"Thanks for your patience while our technical team looked into this.
The reason for the change across a few IMPAQT accounts on March 1 is
because there was an error in our invalid clicks filters in February
which incorrectly identified valid clicks as invalid. The valid
clicks were recovered and inserted back into accounts on February 29,
which is why your March 1 numbers are higher."

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[Mehdi]

Thanks for your answer.
<Start to make lot of coffee>

Mehdi

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[Albert]

I can confirm there have been historical changes for a long time. So
we have to run regularly retroactive reports (just for summary values)
to get numbers right.