no stable equilibrium, Blanchard Kahn conditions are not sat

[lzxtale]

Dear all:
I tried to add the imperfect competition labor market in the model, but there's the following mistakes. I have no idear how to handle it.
Thank you all for potential suggestions !

??? Error using ==> print_info at 40
Blanchard Kahn conditions are not satisfied: no stable equilibrium

Error in ==> stoch_simul at 81
print_info(info, options_.noprint);

Error in ==> liying2 at 709
info = stoch_simul(var_list_);

Error in ==> dynare at 120
evalin('base',fname) ;

qiuzhu.mod

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[jpfeifer]

model_diagnostics says:

MODEL_DIAGNOSTICS: The following endogenous variables aren't present at the current period in the model:
omega_c
omega_i
MODEL_DIAGNOSTICS: The Jacobian of the static model is singular
MODEL_DIAGNOSTICS: there is 1 colinear relationships between the variables and the equations
Colinear variables:
ex
bf
Colinear equations
Columns 1 through 28

1 2 14 16 21 22 23 24 26 27 28 29 30 31 32 33 34 35 36 37 38 39 41 43 44 46 47 48

Columns 29 through 32

49 50 51 54

MODEL_DIAGNOSTICS: The presence of a singularity problem typically indicates that there is one
MODEL_DIAGNOSTICS: redundant equation entered in the model block, while another non-redundant equation
MODEL_DIAGNOSTICS: is missing. The problem often derives from Walras Law.