diff --git a/.buildlibrary b/.buildlibrary
index 1547a79..967703c 100644
--- a/.buildlibrary
+++ b/.buildlibrary
@@ -1,4 +1,4 @@
-ValidationKey: '533624'
+ValidationKey: '552682'
 AcceptedWarnings:
 - 'Warning: package ''.*'' was built under R version'
 - 'Warning: namespace ''.*'' is not available and has been replaced'
diff --git a/.zenodo.json b/.zenodo.json
index 2596a89..80a31a3 100644
--- a/.zenodo.json
+++ b/.zenodo.json
@@ -1,6 +1,6 @@
 {
   "title": "mrtutorial: Tutorial Package For Madrat Package Library",
-  "version": "0.2.8",
+  "version": "0.2.9",
   "description": "<p>Example package of mr- world libraries, in conjunction with MAgPIE MADRat tutorial. For more information please see: https://github.com/magpiemodel/tutorials/tree/master/madrat .<\/p>",
   "creators": [
     {
diff --git a/DESCRIPTION b/DESCRIPTION
index f362c62..88972da 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -2,7 +2,7 @@ Package: mrtutorial
 Type: Package
 Title: Tutorial Package For Madrat Package Library
 Date: 2022-03-07
-Version: 0.2.8
+Version: 0.2.9
 Authors@R: 
     person("David Meng-Chuen",  "Chen", email = "david.chen@pik-potsdam.de", role = c("aut","cre"))
 Description: Example package of mr- world libraries, in conjunction with MAgPIE MADRat tutorial. For more information please see: https://github.com/magpiemodel/tutorials/tree/master/madrat .
diff --git a/R/fullTUTORIALVALIDATION.R b/R/fullTUTORIALVALIDATION.R
index ceee8dc..cf96c10 100644
--- a/R/fullTUTORIALVALIDATION.R
+++ b/R/fullTUTORIALVALIDATION.R
@@ -21,13 +21,10 @@ fullTUTORIALVALIDATION <- function(rev = 0.1) {
   # Please put the validation.mif into your output folder.
   # Use retrieveData("VALIDATION") to create a .tgz
 
-  file.copy(lucode2::path(paste0(getConfig("mainfolder"), "/output/"), "validation.mif"),
-            lucode2::path(getConfig("outputfolder"), "validation.mif"))
-
   valfile <- "validation.mif"
 
   # Add your validation scripts here
   calcOutput(type = "ValidPopulation", datasource = "WDI", aggregate = "REG+GLO",
-             file = valfile, append = TRUE, na_warning = FALSE, try = TRUE)
+             file = valfile, append = TRUE, warnNA = FALSE, try = TRUE)
 
 }
diff --git a/README.md b/README.md
index 3b5dd42..3152d73 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Tutorial Package For Madrat Package Library
 
-R package **mrtutorial**, version **0.2.8**
+R package **mrtutorial**, version **0.2.9**
 
 [![CRAN status](https://www.r-pkg.org/badges/version/mrtutorial)](https://cran.r-project.org/package=mrtutorial)  [![R build status](https://github.com/pik-piam/mrtutorial/workflows/check/badge.svg)](https://github.com/pik-piam/mrtutorial/actions) [![codecov](https://codecov.io/gh/pik-piam/mrtutorial/branch/master/graph/badge.svg)](https://app.codecov.io/gh/pik-piam/mrtutorial) [![r-universe](https://pik-piam.r-universe.dev/badges/mrtutorial)](https://pik-piam.r-universe.dev/ui#builds)
 
@@ -38,7 +38,7 @@ In case of questions / problems please contact David Meng-Chuen Chen <david.chen
 
 To cite package **mrtutorial** in publications use:
 
-Chen D (2022). _mrtutorial: Tutorial Package For Madrat Package Library_. R package version 0.2.8.
+Chen D (2022). _mrtutorial: Tutorial Package For Madrat Package Library_. R package version 0.2.9.
 
 A BibTeX entry for LaTeX users is
 
@@ -47,6 +47,6 @@ A BibTeX entry for LaTeX users is
   title = {mrtutorial: Tutorial Package For Madrat Package Library},
   author = {David Meng-Chuen Chen},
   year = {2022},
-  note = {R package version 0.2.8},
+  note = {R package version 0.2.9},
 }
 ```