大家帮看看，这个错误是什么意思？

WANDL

"analysis_flags" is neither a field in nor a child of ".model_1"
ERROR:      ((eval (! (.vibration.vibration_ana_solve.defmodvar.object_value.<<analysis_flags>>.results_linearanalysis))) && (eval(USER_STRING(".sim_preferences.solver_preference")) == "internal"))
ERROR:   The command was not executed.
ERROR:   +1>>    if cond=((eval (! (.vibration.vibration_ana_solve.defmodvar.object_value.analysis_flags.results_linearanalysis))) && (eval(USER_STRING(".sim_preferences.solver_preference")) == "internal"))