求大神指点！仿真错误如下，这是什么原因？ 80
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WARNING: Setting the delta_type of a variable to percent_relative when its value is 0.0 causes
the variable to be irrelevant in a design study. Set delta_type to absolute instead.
ERROR: The integrator cannot continue.
The current integration order (0) is not allowed.
There may be a problem with the model.
ERROR: Simulation failure detected.
ERROR: Simulation failure detected.
ERROR: The integrator cannot continue.
