abaqus边界条件施加的问题

刚自学abaqus，要对模型进行显式动力学分析，想施加一个半正弦加速度载荷，但是分析总是出错

想问一下大家是不是加速度载荷和固定约束冲突了，因为加速度载荷我是加在整个模型上的，不知道怎样解决

***ERROR: THIS DEGREE OF FREEDOM HAS BOTH DISPLACEMENT AND ACCELERATION
           SPECIFIED. THIS IS NOT ALLOWED.  NODE 118 INSTANCE GROUP53 DOF 3
 ***NOTE: DUE TO AN INPUT ERROR THE ANALYSIS PRE-PROCESSOR HAS BEEN UNABLE TO
          INTERPRET SOME DATA.  SUBSEQUENT ERRORS MAY BE CAUSED BY THIS OMISSION

 ***ERROR: TWO BOUNDARY CONDITIONS WITH CONFLICTING DISPLACEMENTS HAVE BEEN
           IDENTIFIED FOR NODE 118 INSTANCE GROUP53 DOF 3. THIS SITUATION MAY
           ALSO OCCUR WHEN BOUNDARY CONDITIONS HAVE BEEN DEFINED FOR A NODE SET
           CONTAINING THIS NODE AND LATER RE-DEFINED USING THE NODE LABEL
           INSTEAD. IF THIS IS THE CASE, PLEASE MAKE THE DEFINITIONS CONSISTENT
           BY USING EITHER THE NODE SET OR NODE LABEL.