diff --git a/src/aki_prj23_transparenzregister/ui/data_elements.py b/src/aki_prj23_transparenzregister/ui/data_elements.py
index 21beaaa..679ac40 100644
--- a/src/aki_prj23_transparenzregister/ui/data_elements.py
+++ b/src/aki_prj23_transparenzregister/ui/data_elements.py
@@ -1,7 +1,9 @@
 """Data elements for Dash."""
 
 import pandas as pd
+import sqlalchemy as sa
 from cachetools import TTLCache, cached
+from loguru import logger
 from sqlalchemy.engine import Engine
 from sqlalchemy.orm import Session
 
@@ -74,11 +76,15 @@ def get_finance_data_of_one_company(session: Session, company_id: int) -> pd.Dat
     Returns:
         A dataframe containing all financial data of the selected company.
     """
-    annual_finance_data = (
-        session.query(entities.AnnualFinanceStatement)
-        .filter(entities.AnnualFinanceStatement.company_id == company_id)  # type: ignore
-        .all()
+    query = session.query(entities.AnnualFinanceStatement).filter(
+        entities.AnnualFinanceStatement.company_id == company_id  # type: ignore
     )
+    try:
+        annual_finance_data = query.all()
+    except sa.exc.OperationalError:
+        logger.warning("SQL rollback after operational Error!")
+        session.rollback()
+        annual_finance_data = query.all()
 
     engine = session.bind
     if not isinstance(engine, Engine):