solr-config-9.xml Fails to Load with Solr 9.10.1

I’m trying to use the latest dovecot solr module solr-config-9.xml at with Solr 9.10.1:

https://github.com/dovecot/core/blob/956fd0f9a101673be72a7df7d643dd20cf4c40e7/doc/solr-config-9.xml

This dovecot module has been updated to work with version 9.8 and removes the deprecated <lib> directives. However, I observe that it does not load under solr 9.10.1 with the Java exception below.

Does anyone have any pointers on how to modify this module for the latest solr versions?

var/solr/logs/solr-8983-console.log:

> 2026-03-10 01:34:45.983 INFO  (main) [] o.a.s.c.CorePropertiesLocator Found 1 core definitions underneath /opt/local/var/solr
> 2026-03-10 01:34:45.984 INFO  (main) [] o.a.s.c.CorePropertiesLocator Cores are: [dovecot]
> 2026-03-10 01:34:46.012 INFO  (coreLoadExecutor-13-thread-1) [ x:dovecot] o.a.s.c.SolrConfig Using Lucene MatchVersion: 9.8.0
> 2026-03-10 01:34:46.045 INFO  (coreLoadExecutor-13-thread-1) [ x:dovecot] o.a.s.s.ManagedIndexSchemaFactory The schema is configured as managed, but managed schema resource managed-schema.xml  not found - loading non-managed schema schema.xml instead
> 2026-03-10 01:34:46.064 INFO  (coreLoadExecutor-13-thread-1) [ x:dovecot] o.a.s.s.IndexSchema Schema name=dovecot
> 2026-03-10 01:34:46.100 ERROR (coreLoadExecutor-13-thread-1) [ x:dovecot] o.a.s.c.CoreContainer SolrCore failed to load on startup =>org.apache.solr.common.SolrException: Unable to create core [dovecot]
>         at org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1803)

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