1) If you're using AEM 6.3, please use 6.3 documentation, i.e. Community Functions2) You have access to configurations for functions from the site template or group template which includes it.  Either set the value when adding the function to the template or select the gear icon for a function that ...

In other words, if you have AEM 6.2 GA, the version is 1.9.236Else, if you have a feature pack installed - the latest is recommended - then the version is 1.10.xxx<dependency>    <groupId>com.adobe.cq.social</groupId>    <artifactId>cq-socialcommunities-api</artifactId>    <version>1.10.167</version...

You're referencing AEM 6.3 Communities jarYou need to follow these instructions (do not include individual Communities APIs!) and adjust to match the feature pack you have installed for AEM 6.2 CommunitiesUsing Maven for CommunitiesCommunities Version History​- JK

Please open a new question instead of adding this to an already answered question.When you do so, please provide the context for your question - more details such as the AEM version you're using, how you created the site, and how you enabled the trial translation for your site.- JK

I'm assuming you followed  Solr Configuration for SRPYou might need to request help by filing a support ticket.- JK

You might want to review your configuration of MySQL as well as Solr.See https://docs.adobe.com/docs/en/aem/6-2/administer/communities/srp/dsrp.html- JK

What AEM version?  If not AEM 6.3, what Communities version?I'm assuming you select DSRP and then select Submit, right?And you do this on all AEM instances, both author and publish?If you entered UGC when JSRP was the choice, you won't see it when DSRP is selected (and vice-versa).  If you need to m...

Hopefully you have AEM 6.2 and are installing Communities FP2.AEM Communities sizing considerationsAs described in AEM Communities sizing considerations:AEM sites that include AEM Communities features (community sites) experience a high level of interaction from site visitors (members) in the publis...

I believe so, but note (from MSRP doc page) :The mongoDB database, which defaults to the name communities, should not be set to the name of a database being used for node stores or data (binary) stores.  See also Storage Elements in AEM 6.- JK

There is some basic documentation aside from javadocs :Communities Notifications : setup informationSocial Graph EssentialsServer-side Customization : overview of APIsStorage Resource Provider OverviewCoding Guidelines, including Accessing UGC with SRP- JK