diff --git a/src/components/pdf_generation/DocumentServer.ts b/src/components/pdf_generation/DocumentServer.ts
index e0a24c57..187f3142 100644
--- a/src/components/pdf_generation/DocumentServer.ts
+++ b/src/components/pdf_generation/DocumentServer.ts
@@ -1,3 +1,4 @@
+
 class DocumentServer {
   baseUrl: string;
   apiKey: string;
@@ -12,19 +13,19 @@ class DocumentServer {
 
     for (let i = 0; i < cards.length; i++) {
       const card = {
-        id: cards[i].id,
+        id: parseInt(cards[i].id),
         enabled: cards[i].enabled,
         code: cards[i].code,
         runner: {
-          id: cards[i]?.runner?.id,
+          id: parseInt(cards[i]?.runner?.id),
           first_name: cards[i]?.runner?.firstname,
           middle_name: cards[i]?.runner?.middlename,
           last_name: cards[i]?.runner?.lastname,
           group: {
-            id: cards[i]?.runner?.group.id,
+            id: parseInt(cards[i]?.runner?.group?.id),
             name: cards[i]?.runner?.group.name,
             parent_group: {
-              id: cards[i]?.runner?.group?.parentGroup?.id,
+              id: parseInt(cards[i]?.runner?.group?.parentGroup?.id),
               name: cards[i]?.runner?.group?.parentGroup?.name,
             },
           },
@@ -57,15 +58,15 @@ class DocumentServer {
     for (let i = 0; i < runners.length; i++) {
       console.log(runners[i]);
       const card = {
-        id: runners[i].id,
+        id: parseInt(runners[i].id),
         first_name: runners[i].firstname,
         middle_name: runners[i].middlename,
         last_name: runners[i].lastname,
         group: {
-          id: runners[i].group.id,
+          id: parseInt(runners[i].group.id),
           name: runners[i].group.name,
           parent_group: {
-            id: runners[i]?.group?.parentGroup?.id,
+            id: parseInt(runners[i]?.group?.parentGroup?.id),
             name: runners[i]?.group?.parentGroup?.name,
           },
         },
@@ -96,28 +97,28 @@ class DocumentServer {
 
     for (let i = 0; i < runners.length; i++) {
       const certificate = {
-        id: runners[i].id,
+        id: parseInt(runners[i].id),
         first_name: runners[i].firstname,
         middle_name: runners[i].middlename,
         last_name: runners[i].lastname,
         self_service_link: runners[i].selfserviceLink,
         group: {
-          id: runners[i].group.id,
+          id: parseInt(runners[i].group.id),
           name: runners[i].group.name,
           parent_group: {
-            id: runners[i]?.group?.parentGroup?.id,
+            id: parseInt(runners[i]?.group?.parentGroup?.id),
             name: runners[i]?.group?.parentGroup?.name,
           },
         },
-        distance: runners[i].distance,
+        distance: parseInt(runners[i].distance),
         distance_donations: runners[i].distanceDonations.map(
           (distanceDonation: any) => {
             return {
               id: distanceDonation.id,
-              amount: distanceDonation.amount,
-              amount_per_distance: distanceDonation.amountPerDistance,
+              amount: parseInt(distanceDonation.amount),
+              amount_per_distance: parseInt(distanceDonation.amountPerDistance),
               donor: {
-                id: distanceDonation.donor.id,
+                id: parseInt(distanceDonation.donor.id),
                 first_name: distanceDonation.donor.firstname,
                 middle_name: distanceDonation.donor.middlename,
                 last_name: distanceDonation.donor.lastname,