振动分析时出现的问题，请高手指点

WARNING: The value of .model_1.DV_1[1] is 3.15, which is not one of the allowed values.
WARNING: The sum of all of the Action-Only forces acting on
MARKER model_1.PART_7.MARKER_35 has been requested.
However, there are NO active Action-Only forces
acting on this marker.
ERROR: User function for VARIABLE model_1.Output_Channel_1.output_channel_variable has been incorrectly specified.
Function FM in the FUNCTION = expression refers to MARKER model_1.PART_7.MARKER_35
that is not the I marker of any "TRANSLATIONAL ACTION-ONLY"
force element defined in the dataset.
ERROR: Model did not pass verification phase