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<node name="map_server" pkg="map_server" type="map_server" args="$(turtlbot3_navigation)/map/map.yaml" >

This seems to be missing a find right before turtlbot3_navigation in the args attribute.

It should probably be:

$(find turtlebot3_navigation)/map/map.yaml

(note I also corrected the typo there (missing e between l and b)

<node name="map_server" pkg="map_server" type="map_server" args="$(turtlbot3_navigation)/map/map.yaml" >

This seems to be missing a find right before turtlbot3_navigation in the args attribute.

turtlbot3_navigation is not a valid roslaunch substitution command, so the error would seem to be correct.

It should probably be:

$(find turtlebot3_navigation)/map/map.yaml

(note I also corrected the typo there (missing e between l and b)

<node name="map_server" pkg="map_server" type="map_server" args="$(turtlbot3_navigation)/map/map.yaml" >

This seems to be missing a find right before turtlbot3_navigation in the args attribute.

turtlbot3_navigation is not a valid roslaunch substitution command, so the error would seem to be correct.

It should probably be:

$(find turtlebot3_navigation)/map/map.yaml
args="$(find turtlebot3_navigation)/map/map.yaml"

(note I also corrected the typo there (missing e between l and b)