can't find robot_description_file

[SakuraToErii]

<arg name="robot_description_file" default="$(find ur_e_description)/launch/ur5e_upload.launch" doc="Robot description launch file."/>

in
/src/macs_dual_arm/launch/left_arm_bringup.launch
there is no package named ur_e_description in your repo.
can u please add it in your repo? thanks!