Add-on signed but I still can't install it

Add-ons addons.mozilla.org
#1

Hello,
I made an add-on for self-distribution, I received the email telling me that my add-on has passed the automatic tests and it is now signed and ready for me to download, but after I download and try to install it from file, I still get the error message that says that the add-on has not been verified.

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Firefox version 98.0.2 (64-bit)

#2

The .xpi file is a Zip archive. If you look inside the file, do you see the META-INF folder containing several signature-related files?

#3

Hello, thanks for the reply.

I had to upload a new version of the add-on and fortunately this one was installed successfully after it was signed.

Thank you!