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constraint Error

constraint Error

constraint Error

(OP)
Hi friends
I have two errors in my model, by this massage:


2 nodes are missing degree of freedoms. The MPC/Equation/kinematic coupling constraints can not be formed. The nodes have been identified in node set ErrNodeMissingDofConstrDef.

Analysis Input File Processor exited with an error.


I checked all constraints in those two nodes, and I am sure that I created these constraints like others, but I cannot understand what is the problem?
Also there is a warning:


Boundary conditions are specified on inactive dof of 2 nodes. The nodes have been identified in node set WarnNodeBCInactiveDof.


How I could solve these problems?
Could someone guide me?
I upload my CAE and JNL files in the following address:
http://www.4shared.com/rar/xiz-nVkl/mymodeling.htm...

Thanks

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