It's extremely unlikely to have anything to do with the optimal RTH setting.
If you really want to test it properly, try RTH and see if it does it again.
Then disable obstacle avoidance and try again to see what difference that makes.
Three pages of posts all because a (really badly put together) YouTube video about the loss of a drone was put in a forum area that is normally used by pilots asking for assistance in discerning the cause of a crash! The YouTuber wasn’t even...
I'm not ignoring the message, but you are ignoring most of it. The message says, "Motor overloaded. Land promptly or cancel takeoff. Check whether motors and propellers are blocked or have frozen".
It says to check; it does not jump to unfounded...
DJI's warning messages aren't the whole story and are sometimes misleading or completely wrong.
A couple of times I've seen a message telling me that a propeller has come off when the drone is flying normally.
The message suggests there is a...