Unable to Edit Community Sites

Hello,

I have a vanilla OOTB setup of Social Communities.

When trying to save an edited site, I get a 500 error with the following in the error logs

14.02.2018 11:39:08.572 *WARN* [155.201.35.70 [1518626346841] GET /services/tagfilter HTTP/1.1] com.day.cq.wcm.core.impl.components.ComponentCacheImpl No component node found at /services/tagfilter.servlet

14.02.2018 11:39:17.389 *WARN* [155.201.35.70 [1518626357087] POST /content/Community_Site_Name.social.json HTTP/1.1] org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate Attempted to perform refresh while thread Thread-14 was concurrently writing to this session. Blocked until the other thread finished using this session. Please review your code to avoid concurrent use of a session.

14.02.2018 11:39:17.650 *ERROR* [155.201.35.70 [1518626357087] POST /content/Community_Site_Name.social.json HTTP/1.1] com.adobe.cq.social.scf.core.operations.AbstractSocialOperation Error performing operation

com.adobe.cq.social.scf.OperationException: Failed to update community site.

at com.adobe.cq.social.site.endpoints.AbstractSiteOperationService.update(AbstractSiteOperationService.java:414)

at com.adobe.cq.social.site.endpoints.AbstractSiteOperationService.update(AbstractSiteOperationService.java:1292)

at com.adobe.cq.social.site.endpoints.impl.SiteUpdateOperation.performOperation(SiteUpdateOperation.java:89)

at com.adobe.cq.social.scf.core.operations.AbstractSocialOperation.run(AbstractSocialOperation.java:82)

at org.apache.sling.servlets.post.impl.SlingPostServlet.doPost(SlingPostServlet.java:202)