diff --git a/clients/shared/merge.go b/clients/shared/merge.go
index 2d4fb20d2..36f111cb3 100644
--- a/clients/shared/merge.go
+++ b/clients/shared/merge.go
@@ -54,7 +54,14 @@ func Merge(ctx context.Context, dwh destination.DataWarehouse, tableData *optimi
 	// TODO: Examine whether [AuditColumnsToDelete] still needs to be called.
 	tableConfig.AuditColumnsToDelete(srcKeysMissing)
 	if err = tableData.MergeColumnsFromDestination(tableConfig.GetColumns()...); err != nil {
-		return fmt.Errorf("failed to merge columns from destination: %w", err)
+		slog.Error("failed to merge columns from destination",
+			slog.Any("err", err),
+			slog.String("tableName", tableID.FullyQualifiedName()),
+			slog.Any("srcKeysMissing", srcKeysMissing),
+			slog.Any("targetKeysMissing", targetKeysMissing),
+		)
+
+		return fmt.Errorf("failed to merge columns from destination: %w for table %q", err, tableData.Name())
 	}
 
 	temporaryTableID := TempTableIDWithSuffix(dwh.IdentifierFor(tableData.TopicConfig(), tableData.Name()), tableData.TempTableSuffix())