diff --git a/resources/META-INF/plugin.xml b/resources/META-INF/plugin.xml
index 36c3bebc..6b144097 100644
--- a/resources/META-INF/plugin.xml
+++ b/resources/META-INF/plugin.xml
@@ -1,9 +1,14 @@
 <idea-plugin url="https://github.com/koxudaxi/pydantic-pycharm-plugin">
     <id>com.koxudaxi.pydantic</id>
     <name>Pydantic</name>
-    <version>0.1.8</version>
+    <version>0.1.9</version>
     <vendor email="koaxudai@gmail.com">Koudai Aono @koxudaxi</vendor>
     <change-notes><![CDATA[
+    <h2>version 0.1.9</h2>
+    <p>BugFixes</p>
+    <ul>
+        <li>Fix compatibility issues [#145] </li>
+    </ul>
     <h2>version 0.1.8</h2>
     <p>Features</p>
     <ul>
diff --git a/src/com/koxudaxi/pydantic/PydanticInspection.kt b/src/com/koxudaxi/pydantic/PydanticInspection.kt
index 18f50e2c..48e6cd69 100644
--- a/src/com/koxudaxi/pydantic/PydanticInspection.kt
+++ b/src/com/koxudaxi/pydantic/PydanticInspection.kt
@@ -36,11 +36,11 @@ class PydanticInspection : PyInspection() {
             val params = paramList.parameters
             val firstParam = params.firstOrNull()
             if (firstParam == null) {
-                registerProblem(paramList, PyBundle.message("INSP.must.have.first.parameter", PyNames.CANONICAL_CLS),
+                registerProblem(paramList, "Method must have a first parameter, usually called 'cls'",
                         ProblemHighlightType.GENERIC_ERROR)
             } else if (firstParam.asNamed?.let { it.isSelf && it.name != PyNames.CANONICAL_CLS } == true) {
                 registerProblem(PyUtil.sure(firstParam),
-                        PyBundle.message("INSP.usually.named.\$0", PyNames.CANONICAL_CLS),
+                        "Usually first parameter of such methods is named 'cls'",
                         ProblemHighlightType.WEAK_WARNING, null,
                         RenameParameterQuickFix(PyNames.CANONICAL_CLS))
             }