Having issue upon inserting my custom object (SDF) from Gazebo to the work station

General
1

Warning [parser.cc:950] XML Element[pbr], child of element[material] not defined in SDF. Ignoring[pbr]. You may have an incorrect SDF file, or an sdformat version that doesn’t support this element.
Warning [parser.cc:950] XML Element[contact], child of element[collision] not defined in SDF. Ignoring[contact]. You may have an incorrect SDF file, or an sdformat version that doesn’t support this element.
Warning [parser.cc:950] XML Element[collide_bitmask], child of element[collision] not defined in SDF. Ignoring[collide_bitmask]. You may have an incorrect SDF file, or an sdformat version that doesn’t support this element.
Warning [parser.cc:950] XML Element[static], child of element[sdf] not defined in SDF. Ignoring[static]. You may have an incorrect SDF file, or an sdformat version that doesn’t support this element.

2

Hi,
I recommend asking this question on https://robotics.stackexchange.com/ along with a minimal reproducible example.