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tabletop_segmentation fails (eigen error)


using the customized object manipulation stack for sr_hand, with diamondback packages openni, household_object_database, tabletop_object_detector, object_manipulation, I ran into this error when asking to detect an object :

tabletop_segmentation: /opt/ros/diamondback/stacks/ geometry/eigen/include/Eigen/ src/Core/DenseStorage.h:69: Eigen::internal::plain_array< T, Size, MatrixOrArrayOptions, 16>::plain_array() [with T = float, int Size = 4, int MatrixOrArrayOptions = 0]: Assertion `(reinterpret_cast<size_t>( array) & 0xf) == 0 && "this assertion is explained here: " " dox/UnalignedArrayAssert.html" " * READ THIS WEB PAGE !!! ***"' failed. Not sure this is duplicate of "eigen-package-error-while-running-tod_detecting"

What should I do to get rid of this error ?

best regards, Guillaume WALCK