abaqus 计算中的问题，请高手帮忙解答

因为是刚开始学习设abaqus模型，计算的时候出现出现了一些问题，不知道怎么修改，请大虾们帮忙解决一下，现把出错误的文件贴出来，帮忙看下并予解答.材料厚度都附好了，为什么会出现下面的问题？
***ERROR: NO SURFACE FACETS ARE GENERATED FOR SURFACE CONTACT1_S.
*SURFACE, NAME = contact1_m, TYPE = ELEMENT
*SURFACE, NAME = contact1_s, TYPE = ELEMENT
*SURFACE, NAME = contact1_m, TYPE = ELEMENT
*SURFACE INTERACTION, NAME = interfaces
*CONTACT PAIR, INTERACTION=interfaces, ADJUST=0.08, SMOOTH=0.2
***ERROR: THE SLAVE SURFACE CONTACT1_S DOES NOT EXIST.
*CONTACT PAIR, INTERACTION=interfaces, ADJUST=0.08, SMOOTH=0.2
*MATERIAL, NAME=PA66-GF35
*DENSITY
*ELASTIC, TYPE = ISOTROPIC
*PLASTIC
*MATERIAL, NAME=steel
*DENSITY
*ELASTIC, TYPE = ISOTROPIC
*SURFACE INTERACTION, NAME = interfaces
*FRICTION
*SURFACE INTERACTION, NAME = interfaces
*SOLID SECTION, ELSET=solid, MATERIAL=steel
*SOLID SECTION, ELSET=lvl2_solid, MATERIAL=steel
*SOLID SECTION, ELSET=ball_solid_1, MATERIAL=PA66-GF35
*SHELL SECTION, ELSET=solid, MATERIAL=steel
*SHELL SECTION, ELSET=ball_steel, MATERIAL=steel
*SHELL SECTION, ELSET=lvl2_solid, MATERIAL=steel
*SHELL SECTION, ELSET=ball_solid_1, MATERIAL=PA66-GF35
*CONTACT PAIR, INTERACTION=interfaces, ADJUST=0.08, SMOOTH=0.2
*BOUNDARY
*CONTACT PAIR, INTERACTION=interfaces, ADJUST=0.08, SMOOTH=0.2
***ERROR: THE SLAVE SURFACE CONTACT1_S DOES NOT EXIST.
*CONTACT PAIR, INTERACTION=interfaces, ADJUST=0.08, SMOOTH=0.2
***ERROR: THE SLAVE SURFACE CONTACT1_S DOES NOT EXIST.
*MPC
*SOLID SECTION, ELSET=solid, MATERIAL=steel
*SOLID SECTION, ELSET=lvl2_solid, MATERIAL=steel
*SOLID SECTION, ELSET=ball_solid_1, MATERIAL=PA66-GF35
*SHELL SECTION, ELSET=solid, MATERIAL=steel
***ERROR: THE SHELL THICKNESS MUST BE PROVIDED FOLLOWING THE *SHELL SECTION
OPTION