diff --git a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/OPListExportAdapter.java b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/OPListExportAdapter.java
index 1edc662..60070bd 100644
--- a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/OPListExportAdapter.java
+++ b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/OPListExportAdapter.java
@@ -259,6 +259,9 @@ public class OPListExportAdapter extends POIFindReplaceAdapter {
                 Double saldo = currencyCatSum.get(currency);
                 if (saldo == null) {
                     saldo = 0.0;
+                    logger.warning(
+                            "Failed to resolve totalSaldo for currency '" + currency + "'  invoice "
+                                    + invoice.getUniqueID());
                 }
                 saldo = InvoiceUtil.round(saldo + invoice.getItemValueDouble("invoice.saldo"));
                 currencyCatSum.put(currency, saldo);
@@ -305,6 +308,9 @@ public class OPListExportAdapter extends POIFindReplaceAdapter {
                 Double saldo = currencySum.get(currency);
                 if (saldo == null) {
                     saldo = 0.0;
+                    logger.warning(
+                            "Failed to resolve totalSaldo for currency '" + currency + "'  invoice "
+                                    + invoice.getUniqueID());
                 }
                 saldo = InvoiceUtil.round(saldo + total);
                 currencySum.put(currency, saldo);
@@ -317,6 +323,9 @@ public class OPListExportAdapter extends POIFindReplaceAdapter {
                 Double totalSaldo = currencyTotalSum.get(currency);
                 if (totalSaldo == null) {
                     totalSaldo = 0.0;
+                    logger.warning(
+                            "Failed to resolve totalSaldo for currency '" + currency + "'  invoice "
+                                    + invoice.getUniqueID());
                 }
                 totalSaldo = InvoiceUtil.round(totalSaldo + total);
                 currencyTotalSum.put(currency, totalSaldo);