I have just disabled Mageia 7 chroots in Copr.
According to the Mageia support page , Mageia 7 reached the end of its life
This effectively means that from this moment, it is no longer possible to submit
builds for the following chroots:
The existing build results for F32 chroots will be automatically removed after
180 days, but feel free to individually prolong your Copr chroots.