When I try to update component from JoomlArt Extensions Manager I recive this message from JA_Builder update.
Response from JoomlArt Updater Service: Your account does not have enough permission to take this action. Please contact "JoomlArt Updater Service" for more information or use another account.
You need to login with your Joomlart username and password as showing here: https://www.joomlart.com/update-steps
If still, you are facing this issue, kindly post a temp super user details of the site in Private reply.
I will check it on your site.