Solver problem. Zero pivot when processing node ASSEMBLY.3 D.O.F. 6.Solver problem. Zero pivot when processing node 3 (assembly) D.O.F. 6Total number of zero pivots in solver: 1Solver problem. Zero pivot when processing D.O.F. 6 of 1 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_6_1_1_0_1.