diff --git a/examples/init-examples/existing-folder/package.json b/examples/init-examples/existing-folder/package.json
index 0ff9c68..ef8cb6a 100644
--- a/examples/init-examples/existing-folder/package.json
+++ b/examples/init-examples/existing-folder/package.json
@@ -2,6 +2,6 @@
   "name": "existing-folder",
   "version": "1.0.0",
   "wollokVersion": "4.0.0",
-  "author": "dodain",
+  "author": "palumbon",
   "license": "ISC"
 }
diff --git a/package-lock.json b/package-lock.json
index 1b4ecd2..7f6a7bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "wollok-ts-cli",
-  "version": "0.2.10",
+  "version": "0.2.11",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "wollok-ts-cli",
-      "version": "0.2.10",
+      "version": "0.2.11",
       "license": "MIT",
       "dependencies": {
         "@badisi/latest-version": "^7.0.10",
@@ -24,7 +24,7 @@
         "print-message": "^3.0.1",
         "socket.io": "^4.5.1",
         "winston": "^3.11.0",
-        "wollok-ts": "^4.1.8",
+        "wollok-ts": "^4.1.9",
         "wollok-web-tools": "^1.1.7"
       },
       "bin": {
@@ -7393,9 +7393,9 @@
       }
     },
     "node_modules/wollok-ts": {
-      "version": "4.1.8",
-      "resolved": "https://registry.npmjs.org/wollok-ts/-/wollok-ts-4.1.8.tgz",
-      "integrity": "sha512-KAnnaNqtSp7HGqKrze/Nfpz85CA2E/q8rAICAHhwzFyn0YGMeoYJTCUVOzekjA1MtdIQuDlwXwdnAnH6FUD2WA==",
+      "version": "4.1.9",
+      "resolved": "https://registry.npmjs.org/wollok-ts/-/wollok-ts-4.1.9.tgz",
+      "integrity": "sha512-mgbaqdebQrM+RQMhtgTAtHP9m/8u6JPRAUYV53xqjBaMZh1wQ4xrQb8e6wmJJoXs8XRWdUgTZXLnJLvN1HyA2Q==",
       "license": "MIT",
       "dependencies": {
         "@types/parsimmon": "^1.10.8",
diff --git a/package.json b/package.json
index 1a8dc3e..a133d10 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "print-message": "^3.0.1",
     "socket.io": "^4.5.1",
     "winston": "^3.11.0",
-    "wollok-ts": "^4.1.8",
+    "wollok-ts": "^4.1.9",
     "wollok-web-tools": "^1.1.7"
   },
   "devDependencies": {
diff --git a/test/repl.test.ts b/test/repl.test.ts
index 4f1dfbf..f6c3b66 100644
--- a/test/repl.test.ts
+++ b/test/repl.test.ts
@@ -203,8 +203,8 @@ describe('REPL', () => {
       const stackTrace = result.split('\n')
       stackTrace.length.should.equal(3)
       consoleCharacters(stackTrace[0]).should.be.equal('✗ Evaluation Error!')
-      consoleCharacters(stackTrace[1]).should.be.equal('wollok.lang.EvaluationError wrapping TypeScript TypeError: Expected an instance of wollok.lang.Number but got a wollok.lang.String instead')
-      consoleCharacters(stackTrace[2]).should.be.equal('at aves.pepitaRota.vola(distancia) [aves.wlk:22]')
+      consoleCharacters(stackTrace[1]).should.be.equal('wollok.lang.EvaluationError: TypeError: Message (+): parameter "papa" should be a number')
+      consoleCharacters(stackTrace[2]).should.be.equal('at aves.pepitaRota.vola(distancia) [aves.wlk:23]')
     })
 
     describe('in a sub-folder', () => {