diff --git a/backendV2/info.json b/backendV2/info.json
index 331fa29..aa09c6e 100644
--- a/backendV2/info.json
+++ b/backendV2/info.json
@@ -1,11 +1,11 @@
 {
     "backend-info": {
-        "version": "v2.0 (dev)"
+        "version": "v2.0.1 (dev)"
     },
     "frontend-info": {
         "version": "v2.0 (dev)"
     },
     "admin-panel-info": {
-        "version": "v1.2 (dev)"
+        "version": "v1.3 (dev)"
     }
 }
\ No newline at end of file
diff --git a/backendV2/routes/app/database/loansMgmt.database.js b/backendV2/routes/app/database/loansMgmt.database.js
index 4bea657..99cdbaa 100644
--- a/backendV2/routes/app/database/loansMgmt.database.js
+++ b/backendV2/routes/app/database/loansMgmt.database.js
@@ -69,12 +69,20 @@ export const createLoanInDatabase = async (
       )
       .filter(Boolean);
 
-    // Build lockers array (unique, only 2-digit strings)
+    // Build lockers array (unique, only 2-digit numbers from safe_nr)
     const lockers = [
       ...new Set(
         itemsRows
           .map((r) => r.safe_nr)
-          .filter((sn) => typeof sn === "string" && /^\d{2}$/.test(sn))
+          .filter(
+            (sn) =>
+              sn !== null &&
+              sn !== undefined &&
+              Number.isInteger(Number(sn)) &&
+              Number(sn) >= 0 &&
+              Number(sn) <= 99
+          )
+          .map((sn) => Number(sn))
       ),
     ];