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I'm trying to resolve this initial condition suspect because the flat run plots that I obtained is not flat at all. The subject unit achieves a new operating point after 1 s. Please note that I haven't applied any fault/disturbance. Here is the info:

Initial Condition Suspect

94202 -1.6832 -0.10000 GAST2A K
94203 1.2961 0.88196E-01 GAST2A K+1
94207 1.4184 -3.1806 GAST2A K+5
94214 2.5922 0.0000 GAST2A K+12

The power flow conditions of the machine were as follows: Pgen = 13.7862 Pmax = 36.1 Pmin = 0.0 Qgen = 12.3348 Qmax = 15.43 Qmin = -11.76 MVAbase = 46.5

The Dynamic Data are as follows: 'GAST2A' 2 25.0 0.0 0.05 1.0
0.02 0.1 40.0 0.25 1.5
-0.1 0.01 0.77 1.0 0.05
1.0 0.4 0.0 0.2 0.8
15.0 2.5 450.0 3.3 700.0
550.0 0.23 1.3 0.5 1020.0
0.23 1020.0

Could anyone suggest possible error debugging? Thank you.