Merge pull request 'test' (!2687) from test into dev

Reviewed-on: #2687
Reviewed-by: Alex Moreno <alexm@verdnatura.es>

back/methods/collection/getSales.js

@@ -60,6 +60,7 @@ module.exports = Self => {
         if (print) await Self.rawSql('CALL vn.collection_printSticker(?,NULL)', [id], myOptions);
 
         for (let ticket of tickets) {
+            if (ticket.observaciones) {
                 let observations = ticket.observaciones.split(' ');
 
                 for (let observation of observations) {
@@ -72,6 +73,7 @@ module.exports = Self => {
                     }
                 }
             }
+        }
 
         return getCollection(id, tickets, sales, placements, myOptions);
     };