diff --git a/DESCRIPTION b/DESCRIPTION
index 0b28246fa9847212a1452ab648362d316b641bec..81f3d9a217974be8e9bad75516218da2215fd867 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.1.2.1
+Version: 1.1.2.2
 Date: 2018-10-22
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),
diff --git a/R/ErrorCrit_KGE2.R b/R/ErrorCrit_KGE2.R
index 66f0f889a5e34d4b01a6756dbe6a5babeeb8021b..8a8791a4de6f31ebf971ff81ea2e5ee4964af478 100644
--- a/R/ErrorCrit_KGE2.R
+++ b/R/ErrorCrit_KGE2.R
@@ -6,6 +6,10 @@ ErrorCrit_KGE2 <- function(InputsCrit, OutputsModel, warnings = TRUE, verbose =
       stop("InputsCrit must be of class 'InputsCrit' \n")
       return(NULL)
     }
+    if (inherits(InputsCrit, "Multi") | inherits(InputsCrit, "Compo")) {
+      stop("InputsCrit must be of class 'Single' \n")
+      return(NULL)
+    }
     if (!inherits(OutputsModel, "OutputsModel")) {
       stop("OutputsModel must be of class 'OutputsModel' \n")
       return(NULL)
@@ -36,7 +40,7 @@ ErrorCrit_KGE2 <- function(InputsCrit, OutputsModel, warnings = TRUE, verbose =
     
     
     ##Data_preparation_______________________________
-    VarObs <- InputsCrit$Qobs
+    VarObs <- InputsCrit$obs
     VarObs[!InputsCrit$BoolCrit] <- NA
     VarSim <- OutputsModel$Qsim
     VarSim[!InputsCrit$BoolCrit] <- NA