Hello,

The following code used to work previously

```
mod_comb = @model begin
@param begin
tvCLinit ~ LogNormal(log(0.5050), 0.1)
tvCLss ~ LogNormal(log(0.8250), 0.1)
tvKTV ~ LogNormal(log(0.0200), 0.1)
circuit ~ LogNormal(log(1.2109), 0.1)
tvVc ~ LogNormal(log(0.9667), 0.1)
Ω₁ ~ Gamma(100,0.003498)
Ω₂ ~ Gamma(100,0.001186)
Ω₃ ~ Gamma(100,0.007853)
Ω₄ ~ Gamma(100, 0.020588)
σ₁ ~ Gamma(100,0.000404)
σ₂ ~ Gamma(100,30.33)
tvα ~ LogNormal(log(117), 0.1)
tvβ ~ LogNormal(log(0.2), 1.0)
#Ω₅ ~ Gamma(1,0.1)
Ω₆ ~ Gamma(1, 0.4)
σₚ ~ Gamma(1,0.14)
end
@random begin
η₁ ~ Normal(0, sqrt(Ω₁))
η₂ ~ Normal(0, sqrt(Ω₂))
η₃ ~ Normal(0, sqrt(Ω₃))
η₄ ~ Normal(0, sqrt(Ω₄))
#η₅ ~ Normal(0, sqrt(Ω₅))
η₆ ~ Normal(0, sqrt(Ω₆))
end
@covariates WT AGE_D ISMALE SCR GFR AGEYRS TYPE_MODELING IS_BLEEDING ECMO_DAYS Occassions IS_BLEEDING_UPDATE T IS_CIRCUIT_CHANGE wtcl wtv AGE_GROUP
@pre begin
CL_init = tvCLinit *exp(η₁[1]) *wtcl * circuit^IS_CIRCUIT_CHANGE
CL_SS = tvCLss * exp(η₂[1]) * wtcl * circuit^IS_CIRCUIT_CHANGE
KTV = tvKTV * exp(η₃[1])
Vc = tvVc * exp(η₄[1])*wtv
CL = (CL_SS - (CL_SS - CL_init)*exp(-t* KTV))
α = tvα #* exp(η₅[1])
β = tvβ * exp(η₆[1])
end
@dynamics begin
Central' = - (CL/Vc) * Central
end
@derived begin
CP = @. Central / Vc
E = @. α + β * CP
CONC ~ @. Normal(CP, sqrt(CP^2*σ₁ + σ₂))
dv ~ @. Normal(log(E),σₚ)
end
end
param = (tvCLinit = 0.5049966622948888,
tvCLss = 0.8250271545772833,
tvKTV = 0.01997827365729714,
circuit = 1.2108501441005142,
tvVc = 0.966746428178601,
Ω₁ = 0.3498065430622864,
Ω₂ = 0.11860146947565187,
Ω₃ = 0.7853131316097821,
Ω₄ = 2.058839120815329,
σ₁ = 0.040356031162363054,
σ₂ = 3033.7781961463684,)
one_cmt_ACT_ecmo_UTAH = @time fit(mod_comb, estimation, init_params(mod_comb), constantcoef = param, Pumas.BayesMCMC(nsamples=2000,
nadapts=1000,nchains =4,target_accept =0.6, ensemblealg = EnsembleThreads()))
```

This new error appears:

```
julia> one_cmt_ACT_ecmo_UTAH = @time fit(mod_comb, estimation, init_params(mod_comb), constantcoef = param, Pumas.BayesMCMC(nsamples=2000,
nadapts=1000,nchains =4,target_accept =0.6, ensemblealg = EnsembleThreads()))
ERROR: TypeError: in keyword argument constantcoef, expected Tuple{Vararg{Symbol, var"#s97"}} where var"#s97", got a value of type NamedTuple{(:tvCLinit, :tvCLss, :tvKTV, :circuit, :tvVc, :Ω₁, :Ω₂, :Ω₃, :Ω₄, :σ₁, :σ₂), NTuple{11, Float64}}
Stacktrace:
[1] top-level scope
@ ./timing.jl:273 [inlined]
[2] top-level scope
@ ~/data/code/ECMO_UMMC/BAYESIAN_THESIS.jl:0
```

Any help is appreciated.