请问产生如下警告的原因是什么?

for contact pair (assembly_surf-tank-contact-assembly_surf-strap-contact)not all the nodes that have been adjusted were printed. specify *prepript,contact=yes for complete printout.
请问各位,在ABAQUS分析接触中,产生这个警告的原因是什么?是选择的接触面太大,并没有都发生接触吗?