diff --git a/Project.toml b/Project.toml
index 14d7277..d3e1bb5 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "FMICore"
 uuid = "8af89139-c281-408e-bce2-3005eb87462f"
 authors = ["TT <tobias.thummerer@informatik.uni-augsburg.de>", "LM <lars.mikelsons@informatik.uni-augsburg.de>", "JK <josef.kircher@student.uni-augsburg.de>"]
-version = "1.0.0"
+version = "1.0.1"
 
 [deps]
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
diff --git a/src/FMI3/cfunc.jl b/src/FMI3/cfunc.jl
index f5d66e5..256ea5a 100644
--- a/src/FMI3/cfunc.jl
+++ b/src/FMI3/cfunc.jl
@@ -24,7 +24,7 @@ function fmi3InstantiateModelExchange(cfunc::Ptr{Nothing},
         instanceName, fmuInstantiationToken, fmuResourceLocation,
         visible, loggingOn, instanceEnvironment, logMessage)
 
-    @debug "fmi3InstantiateModelExchange(instanceName: $(instanceName), fmuType: $(fmuType), fmuInstantiationToken: $(fmuInstantiationToken), fmuResourceLocation: $(fmuResourceLocation), visible: $(visible), loggingOn: $(loggingOn)) → $(status)"
+    @debug "fmi3InstantiateModelExchange(instanceName: $(instanceName), fmuInstantiationToken: $(fmuInstantiationToken), fmuResourceLocation: $(fmuResourceLocation), visible: $(visible), loggingOn: $(loggingOn)) → $(status)"
     return status
 end
 export fmi3InstantiateModelExchange
@@ -56,7 +56,7 @@ function fmi3InstantiateCoSimulation(cfunc::Ptr{Nothing},
         visible, loggingOn, eventModeUsed, earlyReturnAllowed, requiredIntermediateVariables,
         nRequiredIntermediateVariables, instanceEnvironment, logMessage, intermediateUpdate)
    
-    @debug "fmi3InstantiateCoSimulation(instanceName: $(instanceName), fmuType: $(fmuType), fmuInstantiationToken: $(fmuInstantiationToken), fmuResourceLocation: $(fmuResourceLocation), visible: $(visible), loggingOn: $(loggingOn)) → $(status)"
+    @debug "fmi3InstantiateCoSimulation(instanceName: $(instanceName), fmuInstantiationToken: $(fmuInstantiationToken), fmuResourceLocation: $(fmuResourceLocation), visible: $(visible), loggingOn: $(loggingOn)) → $(status)"
     return status
 end
 export fmi3InstantiateCoSimulation
@@ -88,7 +88,7 @@ function fmi3InstantiateScheduledExecution(cfunc::Ptr{Nothing},
         visible, loggingOn, eventModeUsed, earlyReturnAllowed, requiredIntermediateVariables,
         nRequiredIntermediateVariables, instanceEnvironment, logMessage, clockUpdate, lockPreemption, unlockPreemption)
 
-    @debug "fmi3InstantiateScheduledExecution(instanceName: $(instanceName), fmuType: $(fmuType), fmuInstantiationToken: $(fmuInstantiationToken), fmuResourceLocation: $(fmuResourceLocation), visible: $(visible), loggingOn: $(loggingOn)) → $(status)"
+    @debug "fmi3InstantiateScheduledExecution(instanceName: $(instanceName), fmuInstantiationToken: $(fmuInstantiationToken), fmuResourceLocation: $(fmuResourceLocation), visible: $(visible), loggingOn: $(loggingOn)) → $(status)"
     return status
 end
 export fmi3InstantiateScheduledExecution
@@ -989,7 +989,7 @@ function fmi3GetDirectionalDerivative!(cfunc::Ptr{Nothing}, c::fmi3Instance,
                                        nSeed::Csize_t,
                                        sensitivity::AbstractArray{fmi3Float64},
                                        nSensitivity::Csize_t)
-    @assert fmi3ProvidesDirectionalDerivatives(c.fmu) ["fmi3GetDirectionalDerivative!(...): This FMU does not support build-in directional derivatives!"]
+   
     status = ccall(cfunc,
           fmi3Status,
           (fmi3Instance, Ptr{fmi3ValueReference}, Csize_t, Ptr{fmi3ValueReference}, Csize_t, Ptr{fmi3Float64}, Csize_t, Ptr{fmi3Float64}, Csize_t),
@@ -1126,7 +1126,7 @@ This function can only be called in Model Exchange.
 fmi3GetNumberOfEventIndicators must be called after a structural parameter is changed. As long as no structural parameters changed, the number of states is given in the modelDescription.xml, alleviating the need to call this function.
 """
 function fmi3GetNumberOfEventIndicators!(cfunc::Ptr{Nothing}, c::fmi3Instance, nEventIndicators::Ref{Csize_t})
-    ccall(cfunc,
+    status = ccall(cfunc,
             fmi3Status,
             (fmi3Instance, Ptr{Csize_t}),
             c, nEventIndicators)