Error/warning in rotaiton code

[rogerdv]

Line 124 in entity.gd is producing an error:

E 0:00:01:0746 _physics_process: The transform's origin and target can't be equal.
<C++ Error> Condition "origin.is_equal_approx(p_target)" is true. Returning: Transform3D()
<C++ Source> core/math/transform_3d.cpp:82 @ looking_at()
entity.gd:124 @ smooth_rotate()
entity.gd:235 @ _physics_process()

This is the line:
var to = Quaternion(transform.looking_at(pos).basis).normalized()