diff --git a/DESCRIPTION b/DESCRIPTION
index 205afbf15604bd65214f46de0116fdd2ddcda0b8..f1c39eb763337f43ed155eee4493b52693a3ba14 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.2.12.25
+Version: 1.2.12.26
 Date: 2019-04-01
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),
diff --git a/NEWS.rmd b/NEWS.rmd
index b82b25c59a8b0935e5ab8f7a5eed5f4e845aab7a..078d8f1d62d4f21158c5f494615ed646e75b0f6a 100644
--- a/NEWS.rmd
+++ b/NEWS.rmd
@@ -13,7 +13,7 @@ output:
 
 
 
-### 1.2.12.25 Release Notes (2019-04-01) 
+### 1.2.12.26 Release Notes (2019-04-01) 
 
 
 
diff --git a/man/Calibration.Rd b/man/Calibration.Rd
index 230a08c81151404f0154f40b3c0081d2743afdf4..75f62a30d2194b4d0eb4c5ebfd4e00ad5f7338bf 100644
--- a/man/Calibration.Rd
+++ b/man/Calibration.Rd
@@ -65,7 +65,7 @@ RunOptions <- CreateRunOptions(FUN_MOD = RunModel_GR4J,
 
 ## calibration criterion: preparation of the InputsCrit object
 InputsCrit <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                               RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                               RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 
 ## preparation of CalibOptions object
 CalibOptions <- CreateCalibOptions(FUN_MOD = RunModel_GR4J, FUN_CALIB = Calibration_Michel)
@@ -86,12 +86,12 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 
 ## efficiency criterion: Kling-Gupta Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_KGE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_KGE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/Calibration_Michel.Rd b/man/Calibration_Michel.Rd
index 85870d7afedadfbe6e52aca4ea1f6a446d8db4e8..61cd24b070d88ff2f03e9731b3786d83392e69b1 100644
--- a/man/Calibration_Michel.Rd
+++ b/man/Calibration_Michel.Rd
@@ -96,7 +96,7 @@ RunOptions <- CreateRunOptions(FUN_MOD = RunModel_GR4J, InputsModel = InputsMode
 
 ## calibration criterion: preparation of the InputsCrit object
 InputsCrit <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                               RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                               RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 
 ## preparation of CalibOptions object
 CalibOptions <- CreateCalibOptions(FUN_MOD = RunModel_GR4J, FUN_CALIB = Calibration_Michel)
@@ -116,12 +116,12 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 
 ## efficiency criterion: Kling-Gupta Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_KGE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_KGE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/CreateCalibOptions.Rd b/man/CreateCalibOptions.Rd
index 4ab48f353ccf10a99aaafe61338f019ddbeb4cbd..6d99635b08cf5e49daf8bd7cfb0ebd231336a44f 100644
--- a/man/CreateCalibOptions.Rd
+++ b/man/CreateCalibOptions.Rd
@@ -105,7 +105,7 @@ RunOptions <- CreateRunOptions(FUN_MOD = RunModel_GR4J,
 
 ## calibration criterion: preparation of the InputsCrit object
 InputsCrit <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                               RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                               RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 
 ## preparation of CalibOptions object
 CalibOptions <- CreateCalibOptions(FUN_MOD = RunModel_GR4J, FUN_CALIB = Calibration_Michel)
@@ -126,12 +126,12 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 
 ## efficiency criterion: Kling-Gupta Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_KGE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_KGE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/CreateInputsModel.Rd b/man/CreateInputsModel.Rd
index a93f51305136762788e5e6302a28fc3bc5e95249..d62c11aa55d988a538df3261f11d8e50e592d7dd 100644
--- a/man/CreateInputsModel.Rd
+++ b/man/CreateInputsModel.Rd
@@ -95,7 +95,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/CreateRunOptions.Rd b/man/CreateRunOptions.Rd
index 716743ad2b0327e9ed89ef61647d76f21b2638a7..0f33442b87688b3e28dc8054f7e97b47d5f8f615 100644
--- a/man/CreateRunOptions.Rd
+++ b/man/CreateRunOptions.Rd
@@ -145,7 +145,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
                                 RunOptions = RunOptions,
-                                Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/RunModel.Rd b/man/RunModel.Rd
index 079f21caf8cffcb6dfd938fa550566087f7f07b5..7cb4b50193ff7fb5e97c33df4eb57d8c22e14047 100644
--- a/man/RunModel.Rd
+++ b/man/RunModel.Rd
@@ -61,7 +61,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/RunModel_CemaNeigeGR4J.Rd b/man/RunModel_CemaNeigeGR4J.Rd
index 23ebb869a7f767737fde769d989dc6f49c1ae0c5..9f627a94e80f2314ddcab2dd5d9fa40edb1ae241 100644
--- a/man/RunModel_CemaNeigeGR4J.Rd
+++ b/man/RunModel_CemaNeigeGR4J.Rd
@@ -118,7 +118,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 
 
@@ -139,7 +139,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/RunModel_CemaNeigeGR5J.Rd b/man/RunModel_CemaNeigeGR5J.Rd
index 7584f332f26cb7fe6640408e8038b6f243018d72..7442ee5cdfeb9e36b849aa6137f73f3586717e4b 100644
--- a/man/RunModel_CemaNeigeGR5J.Rd
+++ b/man/RunModel_CemaNeigeGR5J.Rd
@@ -116,7 +116,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 
 
@@ -133,7 +133,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/RunModel_CemaNeigeGR6J.Rd b/man/RunModel_CemaNeigeGR6J.Rd
index 8969f3b2526b61d16893e188066520eab0dd9b5c..57a8f919b3fc0c6eac39253bd48ba699c6befb15 100644
--- a/man/RunModel_CemaNeigeGR6J.Rd
+++ b/man/RunModel_CemaNeigeGR6J.Rd
@@ -122,7 +122,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 
 
@@ -143,7 +143,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/RunModel_GR1A.Rd b/man/RunModel_GR1A.Rd
index ac155c022317767717ffe40a90461ce49dc73bf3..e2afa825c33163b6278cbac10e2abdc79624371a 100644
--- a/man/RunModel_GR1A.Rd
+++ b/man/RunModel_GR1A.Rd
@@ -88,7 +88,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/RunModel_GR2M.Rd b/man/RunModel_GR2M.Rd
index 09f1c891f79f9959f34e173fd5152c30ace0703b..c04b35944b6cc5db921c4695191a0315bee3700f 100644
--- a/man/RunModel_GR2M.Rd
+++ b/man/RunModel_GR2M.Rd
@@ -94,7 +94,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/RunModel_GR4H.Rd b/man/RunModel_GR4H.Rd
index 2d574865f949dba8946132b32a5c3dc8f21d7f99..4109c37f4389e8d3119cc75dc4f969e9d5b4d00c 100644
--- a/man/RunModel_GR4H.Rd
+++ b/man/RunModel_GR4H.Rd
@@ -90,7 +90,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel,
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/RunModel_GR4J.Rd b/man/RunModel_GR4J.Rd
index d26c72b0ec731a95b6197fb9913d4af0fa9781b6..c91fb0c11e2a8541566560cdec200b4d45d7a675 100644
--- a/man/RunModel_GR4J.Rd
+++ b/man/RunModel_GR4J.Rd
@@ -99,7 +99,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/RunModel_GR5J.Rd b/man/RunModel_GR5J.Rd
index 487dd904b62e378d05faeacb8ca1fb3632c8e929..cd2673cadaff3551d353710463e5d9fc777189c6 100644
--- a/man/RunModel_GR5J.Rd
+++ b/man/RunModel_GR5J.Rd
@@ -100,7 +100,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }
 
diff --git a/man/RunModel_GR6J.Rd b/man/RunModel_GR6J.Rd
index d87caa096fc363288e8bdb0c86fc3509c644f15e..00b03a4f33c94a97600247cc9d755829709d13b4 100644
--- a/man/RunModel_GR6J.Rd
+++ b/man/RunModel_GR6J.Rd
@@ -103,7 +103,7 @@ plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
 
 ## efficiency criterion: Nash-Sutcliffe Efficiency
 InputsCrit  <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel, 
-                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run], varObs = "Q")
+                                RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
 OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
 }