MoveIt detect collision for disabled links in SRDF

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Hello,

I’m new to this community so if I’ve made some mistakes please let me know. My problem description is as follows:

I created a new arm+sensor+gripper URDF and used the MoveIt Setup Assistant to generate a MoveIt config package. When I use MoveGroup to move the arm I get this error:

Found a contact between 'gripper_finger1_inner_knuckle_link' (type 'Robot link') and 'gripper_finger1_finger_tip_link' (type 'Robot link'), which constitutes a collision. Contact information is not stored.

In my SRDF these 2 links are disabled:

<disable_collisions link1="gripper_finger1_finger_tip_link" link2="gripper_finger1_inner_knuckle_link" reason="Adjacent" />

I’ve also tried updating the allowed collision matrix by updating the planning scene diff and then call apply_planning_scene service.

At this point I’m not sure what else to try. I hope you guys can help me. Thank you.

EDIT: I'm using Ubuntu 18.04 and ROS Melodic. MoveIt is installed from deb