no message

src/ProjectData/Project/db_project_info.java

@@ -1063,7 +1063,6 @@ public class db_project_info extends DBObject {
             } else {
                 if (//!file.state.equals(FileState.Excluded)&&
                         (!file.fileType.equals(FileType.header) || migrate_headers)) {
-
                     File toCopy = Paths.get(target.Home.getAbsolutePath(), file.name).toFile();
                     if (!toCopy.exists())
                         Files.copy(file.file.toPath(), toCopy.toPath());
@@ -1558,4 +1557,15 @@ public class db_project_info extends DBObject {
         }
         return true;
     }
+    public void clearData() throws Exception {
+        File project_data = new File(Home, Constants.data);
+        File[] files = project_data.listFiles();
+        if (files != null) {
+            for (File file : files) {
+                if (!file.getName().equalsIgnoreCase("new_project_base.sqlite")) {
+                    FileUtils.forceDelete(file);
+                }
+            }
+        }
+    }
 }