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Period mapping key issue

BenoitParisMar 24 2026

Hello everyone,

I have an EPM planning application with a period dimension containing two hierarchies. The first hierarchy contains the twelve periods from January to December, and the second hierarchy contains all the days of the year: JAN_01, JAN_02...DEC_31. I'm having a problem when I try to add the 365 days to the period mapping in Datamanagement; the period key is already used by another period.

Any solutions, please?

Thank you.

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Added on Mar 24 2026
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