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Hello, I was working in a normal modes analysis of an assembly model, Only one attached component it is of interest so I would like to use the direct matrix input for the environment of the component, I have create the ASET constraints in the connection nodes of the environment, delete the retained elements (elements of the component of interest) and add the CMSMET (using the CBN method) card, but when I run the analysis the warning 3865 appear: ** WARNING # 3865 The generated SPOINT IDs for DMIG matrix has overlapped with existing GRID IDs of the model. starting SPOINT ID for DMIG = 169938 ending SPOINT ID for DMIG = 169938 the overlapped GRID ID = 169938 I hope you can help me to solve this problem, thanks in advance.