diff --git a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/EXCELParser.java b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/EXCELParser.java
index 5ce730692d..95c6f987a5 100644
--- a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/EXCELParser.java
+++ b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/EXCELParser.java
@@ -17,6 +17,8 @@ import org.apache.poi.ss.usermodel.Row;
 import org.apache.poi.xssf.usermodel.XSSFSheet;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 
+import eu.dnetlib.dhp.actionmanager.project.utils.model.EXCELTopic;
+
 /**
  * Reads a generic excel file and maps it into classes that mirror its schema
  */
diff --git a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/ReadExcel.java b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/ReadExcel.java
index 359e46fc73..9e73cbc370 100644
--- a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/ReadExcel.java
+++ b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/ReadExcel.java
@@ -16,8 +16,8 @@ import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
-import eu.dnetlib.dhp.collection.CollectorException;
-import eu.dnetlib.dhp.collection.HttpConnector2;
+import eu.dnetlib.dhp.common.collection.CollectorException;
+import eu.dnetlib.dhp.common.collection.HttpConnector2;
 
 /**
  * Applies the parsing of an excel file and writes the Serialization of it in hdfs