==============================================
   tmin = 3.00 > tmax = 2.00
PEXError: Bad PEX OC
OC code: 98
Request code: 28
==============================================

==============================================
   tmin = 1.00 < knot_vector[order-1] = 2.00
PEXError: Bad PEX OC
OC code: 98
Request code: 28
==============================================

==============================================
   tmax = 5.00 > knot_vector[control_pts] = 4.00
PEXError: Bad PEX OC
OC code: 98
Request code: 28
==============================================