weight evaluation section explains what I want to say .
check your set up . Try to set up as the hitch mfg describes. Check youtube, lots of vids with measurements may be of help for set ups.
How much is in the bed of the TV , double check tire pressure all around , TT and TV as well as tongue weight on TT.
The way people load (cargo) in trailers can be a problem.
Make sure you have enough spring bar rating. A trip to the scales all loaded up might be in order.
Search the methods to check weights on scales, you have to make multiple passes. Advise the scale agent that you need consecutive passes to reduce your cost . It will take some time.