diff --git a/controller/notification/notification_data.py b/controller/notification/notification_data.py
index 948ee775..e040d2c3 100644
--- a/controller/notification/notification_data.py
+++ b/controller/notification/notification_data.py
@@ -30,6 +30,13 @@
         "page": enums.Pages.SETTINGS.value,
         "docs": enums.DOCS.UPLOADING_DATA.value,
     },
+    enums.NotificationType.IMPORT_CONVERSION_ERROR.value: {
+        "message_template": "Data type count't be forced (@@arg@@).",
+        "title": "Data import",
+        "level": enums.Notification.ERROR.value,
+        "page": enums.Pages.SETTINGS.value,
+        "docs": enums.DOCS.UPLOADING_DATA.value,
+    },
     enums.NotificationType.INVALID_FILE_TYPE.value: {
         "message_template": "File type @@arg@@ is currently not supported.",
         "title": "Data import",
diff --git a/controller/transfer/record_transfer_manager.py b/controller/transfer/record_transfer_manager.py
index a1a00d7e..6eac65f4 100644
--- a/controller/transfer/record_transfer_manager.py
+++ b/controller/transfer/record_transfer_manager.py
@@ -1,6 +1,6 @@
 import json
 import logging
-from typing import Dict, Any, Optional, Tuple, List
+from typing import Dict, Any, Optional, Tuple, List, Callable
 
 import pandas as pd
 
@@ -13,24 +13,24 @@
     labeling_task_label,
     labeling_task,
     organization,
-    project,
     record,
     record_label_association,
     upload_task,
 )
-from controller.user import manager as user_manager
+
 from controller.upload_task import manager as upload_task_manager
 from controller.tokenization import manager as token_manager
 from util import file, security
 from submodules.s3 import controller as s3
-from submodules.model import enums, events, UploadTask, Attribute
+from submodules.model import enums, UploadTask, Attribute
 from util import category
 from util import notification
 from controller.transfer.util import convert_to_record_dict
+import os
+
 
 logger = logging.getLogger(__name__)
 logger.setLevel(logging.INFO)
-import os
 
 
 def import_records_and_rlas(
@@ -43,6 +43,7 @@ def import_records_and_rlas(
     CHUNK_SIZE = 500
     chunks = [data[x : x + CHUNK_SIZE] for x in range(0, len(data), CHUNK_SIZE)]
     chunks_count = len(chunks)
+    attribute_lookup = None
     for idx, chunk in enumerate(chunks):
         if upload_task is not None:
             logger.debug(
@@ -61,7 +62,32 @@ def import_records_and_rlas(
         if idx == 0:
             create_attributes_and_get_text_attributes(project_id, records_data)
             primary_keys = attribute.get_primary_keys(project_id)
+        if attribute_lookup is None:
+            existing_attributes = attribute.get_all(project_id)
+            attribute_lookup = {
+                attribute.name: __match_data_type_to_function(attribute.data_type)
+                for attribute in existing_attributes
+            }
+            attribute_lookup = {
+                k: v for k, v in attribute_lookup.items() if v is not None
+            }
+        try:
+            __force_data_type_for_attributes(records_data, attribute_lookup)
+        except Exception as e:
+            logger.error(f"Error while forcing data type for attributes: {e}")
+            if upload_task is not None:
+
+                upload_task_manager.update_task(
+                    project_id, upload_task.id, state=enums.UploadStates.ERROR.value
+                )
 
+            notification.create_notification(
+                enums.NotificationType.IMPORT_CONVERSION_ERROR,
+                user_id,
+                project_id,
+                str(e),
+            )
+            raise e
         import_labeling_tasks_and_labels_pipeline(
             project_id=project_id, tasks_data=tasks_data
         )
@@ -81,6 +107,38 @@ def import_records_and_rlas(
             )
 
 
+def __force_data_type_for_attributes(
+    records_data: List[Dict[str, Any]],
+    attribute_lookup: Dict[str, Callable],
+) -> None:
+    if len(records_data) == 0:
+        return
+    if len(attribute_lookup) == 0:
+        return
+    for record_data in records_data:
+        for key, value in record_data.items():
+            if (
+                key in attribute_lookup
+                and value is not None
+                and not isinstance(value, attribute_lookup[key])
+            ):
+                record_data[key] = attribute_lookup[key](value)
+
+
+def __match_data_type_to_function(data_type: str) -> Callable:
+    if data_type == enums.DataTypes.INTEGER.value:
+        return int
+    elif data_type == enums.DataTypes.FLOAT.value:
+        return float
+    elif data_type == enums.DataTypes.BOOLEAN.value:
+        return bool
+    elif (
+        data_type == enums.DataTypes.TEXT.value
+        or data_type == enums.DataTypes.CATEGORY.value
+    ):
+        return str
+
+
 def download_file(project_id: str, task: UploadTask) -> str:
     # TODO is copied from import_file and can be refactored because atm its duplicated code
     upload_task_manager.update_task(
@@ -129,7 +187,6 @@ def import_file(project_id: str, upload_task: UploadTask) -> None:
         project_id,
         column_mappings,
     )
-    number_records = len(data)
     import_records_and_rlas(
         project_id, upload_task.user_id, data, upload_task, record_category
     )
@@ -141,8 +198,6 @@ def import_file(project_id: str, upload_task: UploadTask) -> None:
         general.commit()
     upload_task_manager.update_upload_task_to_finished(upload_task)
 
-    user = user_manager.get_or_create_user(upload_task.user_id)
-    project_item = project.get(project_id)
     general.commit()
 
 
@@ -321,6 +376,6 @@ def create_attributes_and_get_text_attributes(
                 text_attributes.append(attribute_item)
     general.flush()
     if created_something:
-        notification.send_organization_update(project_id, f"attributes_updated")
+        notification.send_organization_update(project_id, "attributes_updated")
 
     return text_attributes
diff --git a/submodules/model b/submodules/model
index 29ec9451..15df3b66 160000
--- a/submodules/model
+++ b/submodules/model
@@ -1 +1 @@
-Subproject commit 29ec9451308bdffd3b4aacb44ef4e952ac64d49f
+Subproject commit 15df3b661f51d892f19f52af874fe5db944c5a4c