workbench静力学仿真结果提示求解器设置有问题,请问如何设置？ 20

以下是错误提示上的英文内容Preconditioned conjugate gradient solver error level 1.  Possibly, the model is unconstrained or additional iterations may be needed.  Try running setting the multiplier MULT on the EQSLV command to greater  than 1.0 (but less than 3.0).