error: expression cannot be used as a function

[Masoumehrahimi]

hi,
by running the command: catkin_make -j1 --pkg rtabmap_ros , i got the following error. what is the solution???

Scanning dependencies of target rtabmap_ros
[ 57%] Building CXX object rtabmap_ros/CMakeFiles/rtabmap_ros.dir/src/MsgConversion.cpp.o
/home/masoumeh/catkin_ws4/src/rtabmap_ros/src/MsgConversion.cpp: In function ‘bool rtabmap_ros::convertScanMsg(const LaserScan&, const string&
, const string&, const ros::Time&, rtabmap::LaserScan&, tf::TransformListener&, double, bool)’:
/home/masoumeh/catkin_ws4/src/rtabmap_ros/src/MsgConversion.cpp:2105:81: error: expression cannot be used as a function
data = rtabmap::util3d::laserScan2dFromPointCloud(*pclScan, laserToOdom).data(); // put back in laser frame
^
/home/masoumeh/catkin_ws4/src/rtabmap_ros/src/MsgConversion.cpp:2113:81: error: expression cannot be used as a function
data = rtabmap::util3d::laserScan2dFromPointCloud(*pclScan, laserToOdom).data(); // put back in laser frame
^
/home/masoumeh/catkin_ws4/src/rtabmap_ros/src/MsgConversion.cpp: In function ‘bool rtabmap_ros::convertScan3dMsg(const PointCloud2&, const str
ing&, const string&, const ros::Time&, rtabmap::LaserScan&, tf::TransformListener&, double, int, float)’:
/home/masoumeh/catkin_ws4/src/rtabmap_ros/src/MsgConversion.cpp:2220:121: error: no matching function for call to ‘rtabmap::LaserScan::LaserSc
an(cv::Mat, int&, float&, rtabmap::Transform&)’
scan = rtabmap::LaserScan(rtabmap::util3d::laserScanFromPointCloud(*pclScan), maxPoints, maxRange, scanLocalTransform);
^
In file included from /usr/local/lib/rtabmap-0.20/../../include/rtabmap-0.20/rtabmap/core/SensorData.h:38:0,
from /usr/local/lib/rtabmap-0.20/../../include/rtabmap-0.20/rtabmap/core/Signature.h:42,
from /home/masoumeh/catkin_ws4/src/rtabmap_ros/include/rtabmap_ros/MsgConversion.h:47,
from /home/masoumeh/catkin_ws4/src/rtabmap_ros/src/MsgConversion.cpp:28:
/usr/local/lib/rtabmap-0.20/../../include/rtabmap-0.20/rtabmap/core/LaserScan.h:79:2: note: candidate: rtabmap::LaserScan::LaserScan(const cv:
:Mat&, rtabmap::LaserScan::Format, float, float, float, float, float, const rtabmap::Transform&)
LaserScan(const cv::Mat & data,
^
/usr/local/lib/rtabmap-0.20/../../include/rtabmap-0.20/rtabmap/core/LaserScan.h:79:2: note: candidate expects 8 arguments, 4 provided
/usr/local/lib/rtabmap-0.20/../../include/rtabmap-0.20/rtabmap/core/LaserScan.h:74:2: note: candidate: rtabmap::LaserScan::LaserScan(const cv:
:Mat&, int, float, rtabmap::LaserScan::Format, const rtabmap::Transform&)
LaserScan(const cv::Mat & data,
^
/usr/local/lib/rtabmap-0.20/../../include/rtabmap-0.20/rtabmap/core/LaserScan.h:74:2: note: no known conversion for argument 4 from ‘rtabmap