[opencms-dev] error on comments

[patrizia natile]

 Hello.
I've istalled com.alkacon.opencms.v8.comments on OpenCms 10.5.1. I've an
error: org.opencms.main.CmsRuntimeException: Unable to decode XML content
definition schema
“opencms://system/modules/com.alkacon.opencms.v8.comments/schemas/comment.xsd”.
And comments don't run because configuration file is missing.
How can I solve it?
Thanks in advance!

Patrizia
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