FNC Planner and errors in browser console output since FNC UI Pack 7.1

We use FNC UI Pack with TMS Web Core. Since TMS FNC UI Pack 7.1. we have the following errors in the browser console:

Failed to load resource: the server responded with a status of 404 ()
TTMSFNCPLANNERARROWLEFT:1 Failed to load resource: the server responded with a status of 404 ()
TTMSFNCPLANNERARROWRIGHT:1 Failed to load resource: the server responded with a status of 404 ()
TTMSFNCPLANNERARROWUP:1 Failed to load resource: the server responded with a status of 404 ()
TTMSFNCPLANNERARROWDOWN:1 Failed to load resource: the server responded with a status of 404 ()

We have seen this issue and will reupload a fix today.