diff --git a/server/prisma/migrations/20240914160042_classifications_update/migration.sql b/server/prisma/migrations/20240914160042_classifications_update/migration.sql
new file mode 100644
index 000000000..ad075328b
--- /dev/null
+++ b/server/prisma/migrations/20240914160042_classifications_update/migration.sql
@@ -0,0 +1,11 @@
+-- AlterTable
+ALTER TABLE `content` MODIFY `id` BINARY(16) NOT NULL DEFAULT (uuid_to_bin(uuid(), 1));
+
+-- AlterTable
+ALTER TABLE `documentSubmittedResponses` MODIFY `id` BINARY(16) NOT NULL DEFAULT (uuid_to_bin(uuid(), 1));
+
+-- AlterTable
+ALTER TABLE `documents` MODIFY `id` BINARY(16) NOT NULL DEFAULT (uuid_to_bin(uuid(), 1));
+
+-- AlterTable
+ALTER TABLE `users` MODIFY `userId` BINARY(16) NOT NULL DEFAULT (uuid_to_bin(uuid(), 1));
diff --git a/server/src/model.ts b/server/src/model.ts
index bc36af0bb..ba65f97ba 100644
--- a/server/src/model.ts
+++ b/server/src/model.ts
@@ -92,6 +92,9 @@ export async function createActivity(
     }
   }
 
+  const sourcePrefill = `<p>Your content goes here! Example: What is <m>1+1</m>?</p>
+<answer>2</answer>`;
+
   const activity = await prisma.content.create({
     data: {
       ownerId,
@@ -105,7 +108,7 @@ export async function createActivity(
       documents: {
         create: [
           {
-            source: "",
+            source: sourcePrefill,
             doenetmlVersionId: defaultDoenetmlVersion.id,
             name: "Untitled Document",
           },