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Why RTABmap wants sensor_msgs/Image when I am sending compressed images?

While launching RTABmap I have set the parameter "compressed" to true and even then I get this error:

Client [/rtabmap/rtabmapviz] wants topic /duo3d/left/image_rect/compressed to have datatype/md5sum [sensor_msgs/Image/060021388200f6f0f447d0fcd9c64743], but our version has [sensor_msgs/CompressedImage/8f7a12909da2c9d3332d540a0977563f]. Dropping connection.

Why does it request the Image when it should get CompressedImage? I set the left and right topics to compressed topics that my camera publishes