求救

***WARNING: SOLVER PROBLEM. NUMERICAL SINGULARITY WHEN PROCESSING NODE
SPLINE-1-1.28 D.O.F. 11 RATIO = 98.0722E+12 .
***WARNING: SOLVER PROBLEM. NUMERICAL SINGULARITY WHEN PROCESSING NODE
SPLINE-2-1.1 D.O.F. 11 RATIO = 849.848E+09 .
***WARNING: SOLVER PROBLEM. ZERO PIVOT WHEN PROCESSING NODE 28 INSTANCE
SPLINE-1-1 D.O.F. 11
OVERCONSTRAINT CHECKS:
An overconstraint was detected at node 28 INSTANCE SPLINE-1-1. There are multiple constraints
applied directly or chained constraints that are applied indirectly at this node.
A list of nodes and chained constraints between these nodes that most likely lead
to the detected overconstraint can be printed out to the message file by including
*constraint controls, print=yes in the input file.
***WARNING: SOLVER PROBLEM. ZERO PIVOT WHEN PROCESSING NODE 1 INSTANCE
SPLINE-2-1 D.O.F. 11
OVERCONSTRAINT CHECKS:
An overconstraint was detected at node 1 INSTANCE SPLINE-2-1. There are multiple constraints
applied directly or chained constraints that are applied indirectly at this node.
A list of nodes and chained constraints between these nodes that most likely lead
to the detected overconstraint can be printed out to the message file by including
*constraint controls, print=yes in the input file.
***WARNING: Solver problem. Zero pivot when processing D.O.F. 11 of 2 nodes.
The nodes have been identified in node set
WarnNodeSolvProbZeroPiv_11_1_1_1_1.