Check you settings.xml in maven folder or .m2 folder to see if there are any repo configured in there

Then you should do rollout config in the livecopy. 

are you using the same name for the page locale and i18N localeex: If you have create a language node called 'de' in page, i18N should also have a same node name 'de' and not de_DE

That could be the potential reason ! thanks for sharing.

Have defined 'Blueprint'.What you have created is the creating a 'live copy' from an existing site which doesnt mean that the parent site you have selected to create live copy becomes blueprint.To defiine 'Blueprint'1. Go to http://localhost:4504/miscadmin#/etc/blueprints2. Create 'New Page'. Give t...

Looks like you can create your own rules. refer [1] for the same[1] https://docs.adobe.com/docs/en/aem/6-1/administer/sites/translation/tc-rules.html

There is not OOB to do the job for you. If its done accidentally and one time job, then I would suggest you to go and delete it manually

Goto the livesync website. Goto the page which you have changed the path in the livesync. There will be a property called cq:LiveSyncConfig node under jcr:contentCheck the property cq:master is mapped to the right path of the blueprint. If not correct the same and check if that works !

@slingServlet includes @Component internally and hence we dont use that annotation specifically which is nothing by generateComponent=true (refer [1]). This enables all the methods or life cycle of component like activate, deactivate etc... If you are using @Component also along with your @slingServ...

Is it the only error  you see or do you see anything more ?Is it the custom RTE or OOB RTE ?Meanwhile, please raise a support ticket too as its a problem you are facing only with SP1.You can also confirm if you see the same issue with SP1 on another instance.