Are the first 6 modes with all MPC contacts showing 3 rotations and 3 translations? If yes, you can use the results. When using MPC, there are a few things that can cause this warning message to appear. One possibility is that two contact regions or boundary conditions are overlapping each other. This can happen if the contact regions or boundary conditions are not defined carefully. Another possibility is that a contact region or boundary condition is overlapping a symmetry region. This can happen if the symmetry region is not properly defined. If you receive this warning message, you should first check to see if there are any overlapping contact regions or boundary conditions. If there are, you can try to move them so that they do not overlap. If this does not work, you may need to change the definition of the symmetry region. In some cases, it may be possible to ignore this warning message. However, if you are concerned about the accuracy of your results, you should try to resolve the conflict. Here are some tips for avoiding this warning message:
Carefully define the contact regions and boundary conditions in your model.
Make sure that the contact regions and boundary conditions do not overlap each other.
Make sure that the contact regions and boundary conditions do not overlap any symmetry regions.
If you follow these tips, you can help to ensure that your Ansys Mechanical models are accurate and that they converge properly.