[Q] Package file is invalid

Hi everyone,

I'm the developer of a French Android Application about handball french competitions, Hand Score.

Since my last update I've just published, many of my users are not able to download the update, or even reinstall the application. They got this message : "Package file is invalid"

But for unknown reasons, other users aren't faced with this problem. SO I really don't understand what is the origin of my problem and how can i solve it !

I ask some of my users to clean cache and clear data of Google Play application, but it didn't resolve it. So I am in a dead end...

Thank you to all of those who take time to read this and help me because many of my users are really upset..

Thanks a lot.

LCN

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