diff --git a/src/database/database.js b/src/database/database.js
index da9334a..1803fcc 100644
--- a/src/database/database.js
+++ b/src/database/database.js
@@ -846,38 +846,25 @@ export const editObject = async ({ model, id, updateData, user, populate, recalc
       }
     }
 
-    // Audit log before update
-    await editAuditLog(
-      previousExpandedObject,
-      { ...previousExpandedObject, ...expandObjectIds(updateData) },
-      id,
-      parentType,
-      user
+    const updatedObject = mergeObjectUpdates(
+      _.cloneDeep(previousExpandedObject),
+      expandObjectIds(updateData)
     );
 
+    // Audit log before update
+    await editAuditLog(previousExpandedObject, updatedObject, id, parentType, user);
+
     if (
       parentType !== 'notification' &&
       parentType !== 'auditLog' &&
       parentType !== 'userNotifier'
     ) {
-      await editNotification(
-        previousExpandedObject,
-        { ...previousExpandedObject, ...expandObjectIds(updateData) },
-        id,
-        parentType,
-        user
-      );
+      await editNotification(previousExpandedObject, updatedObject, id, parentType, user);
     }
     // Distribute update
     await distributeUpdate(updateData, id, parentType);
     // Call childUpdate event for any child objects
-    await distributeChildUpdate(
-      previousExpandedObject,
-      { ...previousExpandedObject, ...expandObjectIds(updateData) },
-      id,
-      model
-    );
-    const updatedObject = { ...previousExpandedObject, ...expandObjectIds(updateData) };
+    await distributeChildUpdate(previousExpandedObject, updatedObject, id, model);
 
     // Update cache with the new version
     await updateObjectCache({
diff --git a/src/database/schemas/production/printer.schema.js b/src/database/schemas/production/printer.schema.js
index 56efd2c..750d003 100644
--- a/src/database/schemas/production/printer.schema.js
+++ b/src/database/schemas/production/printer.schema.js
@@ -19,7 +19,8 @@ const alertSchema = new Schema(
     type: { type: String, required: true }, // error, info, message
     message: { type: String, required: false },
     actions: [{ type: String, required: false, default: [] }],
-    _id: { type: String, required: true },
+    _id: { type: String, required: true, default: () => generateId()() },
+    code: { type: String, required: false },
     canDismiss: { type: Boolean, required: true, default: true },
   },
   { timestamps: true, _id: false }
diff --git a/src/services/production/printers.js b/src/services/production/printers.js
index d890e73..fd3167a 100644
--- a/src/services/production/printers.js
+++ b/src/services/production/printers.js
@@ -128,6 +128,7 @@ export const editPrinterRouteHandler = async (req, res) => {
     host: req.body.host,
     pendingSlicerUploads: req.body.pendingSlicerUploads,
     active: req.body.active,
+    alerts: req.body.alerts,
   };
   // Create audit log before updating
   const result = await editObject({
@@ -140,7 +141,7 @@ export const editPrinterRouteHandler = async (req, res) => {
 
   if (result.error) {
     logger.error('Error editing printer:', result.error);
-    res.status(result).send(result);
+    res.status(result.code).send(result);
     return;
   }
 
diff --git a/src/utils.js b/src/utils.js
index 2eae32f..4539240 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -1056,7 +1056,7 @@ function expandObjectIds(input) {
       for (const [key, val] of Object.entries(value)) {
         if (excludedFields.includes(key)) {
           // Do not expand keys that are excluded
-          result[key] = val.toString();
+          result[key] = val == null ? val : val.toString();
         } else if (isObjectId(val)) {
           result[key] = { _id: val };
         } else if (Array.isArray(val)) {