diff --git a/backend/windmill-api/openapi.yaml b/backend/windmill-api/openapi.yaml
index 855cb787fc..b4611bdd3d 100644
--- a/backend/windmill-api/openapi.yaml
+++ b/backend/windmill-api/openapi.yaml
@@ -4106,6 +4106,9 @@ paths:
           description: Script version/hash
           content:
             application/json:
+
+              required: false
+
               schema:
                 $ref: "#/components/schemas/ScriptHistory"
 
@@ -4611,6 +4614,8 @@ paths:
           description: Flow version
           content:
             application/json:
+              required: false
+
               schema:
                 $ref: "#/components/schemas/FlowVersion"
 
@@ -5182,6 +5187,7 @@ paths:
           description: App version
           content:
             application/json:
+              required: false
               schema:
                 $ref: "#/components/schemas/AppHistory"
 
diff --git a/backend/windmill-api/src/apps.rs b/backend/windmill-api/src/apps.rs
index 0c72d12b50..cd65136a2a 100644
--- a/backend/windmill-api/src/apps.rs
+++ b/backend/windmill-api/src/apps.rs
@@ -432,7 +432,9 @@ async fn get_latest_version(
     authed: ApiAuthed,
     Extension(user_db): Extension<UserDB>,
     Path((w_id, path)): Path<(String, StripPath)>,
-) -> JsonResult<AppHistory> {
+
+) -> JsonResult<Option<AppHistory>> {
+
     let mut tx = user_db.begin(&authed).await?;
     let row = sqlx::query!(
         "SELECT a.id as app_id, av.id as version_id, dm.deployment_msg as deployment_msg
@@ -441,15 +443,21 @@ async fn get_latest_version(
         ORDER BY created_at DESC",
         w_id,
         path.to_path(),
-    ).fetch_one(&mut *tx).await?;
+    ).fetch_optional(&mut *tx).await?;
     tx.commit().await?;
 
-    let result = AppHistory {
-        app_id: row.app_id,
-        version: row.version_id,
-        deployment_msg: row.deployment_msg,
-    };
-    return Ok(Json(result));
+    if let Some(row) = row {
+        let result = AppHistory {
+            app_id: row.app_id,
+            version: row.version_id,
+            deployment_msg: row.deployment_msg,
+        };
+
+        return Ok(Json(Some(result)));
+    } else {
+        return Ok(Json(None));
+    }
+
 }
 
 async fn update_app_history(
diff --git a/backend/windmill-api/src/flows.rs b/backend/windmill-api/src/flows.rs
index 7e4dd7b4a6..3644e04d30 100644
--- a/backend/windmill-api/src/flows.rs
+++ b/backend/windmill-api/src/flows.rs
@@ -543,7 +543,8 @@ async fn get_latest_version(
     authed: ApiAuthed,
     Extension(user_db): Extension<UserDB>,
     Path((w_id, path)): Path<(String, StripPath)>,
-) -> JsonResult<FlowVersion> {
+) -> JsonResult<Option<FlowVersion>> {
+
     let path = path.to_path();
     let mut tx = user_db.begin(&authed).await?;
 
@@ -556,7 +557,7 @@ async fn get_latest_version(
         path,
         w_id
     )
-    .fetch_one(&mut *tx)
+    .fetch_optional(&mut *tx)
     .await?;
     tx.commit().await?;
 
diff --git a/backend/windmill-api/src/scripts.rs b/backend/windmill-api/src/scripts.rs
index 1560c31b2d..56b991713f 100644
--- a/backend/windmill-api/src/scripts.rs
+++ b/backend/windmill-api/src/scripts.rs
@@ -953,9 +953,10 @@ async fn get_latest_version(
     authed: ApiAuthed,
     Extension(user_db): Extension<UserDB>,
     Path((w_id, path)): Path<(String, StripPath)>,
-) -> JsonResult<ScriptHistory> {
+) -> JsonResult<Option<ScriptHistory>> {
     let mut tx = user_db.begin(&authed).await?;
-    let row = sqlx::query!(
+    let row_o = sqlx::query!(
+
         "SELECT s.hash as hash, dm.deployment_msg as deployment_msg 
         FROM script s LEFT JOIN deployment_metadata dm ON s.hash = dm.script_hash
         WHERE s.workspace_id = $1 AND s.path = $2
@@ -963,15 +964,21 @@ async fn get_latest_version(
         w_id,
         path.to_path(),
     )
-    .fetch_one(&mut *tx)
+
+    .fetch_optional(&mut *tx)
     .await?;
     tx.commit().await?;
 
-    let result = ScriptHistory {
-        script_hash: ScriptHash(row.hash),
-        deployment_msg: row.deployment_msg, //
-    };
-    return Ok(Json(result));
+    if let Some(row) = row_o {
+        let result = ScriptHistory {
+            script_hash: ScriptHash(row.hash),
+            deployment_msg: row.deployment_msg, //
+        };
+        return Ok(Json(Some(result)));
+    } else {
+        return Ok(Json(None));
+    }
+
 }
 
 async fn update_script_history(
diff --git a/frontend/src/lib/components/FlowBuilder.svelte b/frontend/src/lib/components/FlowBuilder.svelte
index fd0b9078d4..49d7055219 100644
--- a/frontend/src/lib/components/FlowBuilder.svelte
+++ b/frontend/src/lib/components/FlowBuilder.svelte
@@ -124,7 +124,8 @@
 			path: $pathStore
 		})
 
-		onLatest = version === flowVersion.id
+		onLatest = version === flowVersion?.id
+
 	}
 
 	const dispatch = createEventDispatcher()
diff --git a/frontend/src/lib/components/ScriptBuilder.svelte b/frontend/src/lib/components/ScriptBuilder.svelte
index 48f24c8809..8be6e5104f 100644
--- a/frontend/src/lib/components/ScriptBuilder.svelte
+++ b/frontend/src/lib/components/ScriptBuilder.svelte
@@ -256,7 +256,8 @@
 			let actual_parent_hash = (await ScriptService.getScriptLatestVersion({
 				workspace: $workspaceStore!,
 				path: script.path,
-			})).script_hash;
+			}))?.script_hash;
+
 
 			// Usually when we create new script, we put current hash as a parent_hash
 			// But if we specify parent_hash that is already used, than we get error
diff --git a/frontend/src/lib/components/apps/editor/AppEditorHeader.svelte b/frontend/src/lib/components/apps/editor/AppEditorHeader.svelte
index 87a86d2f35..e3eb07b372 100644
--- a/frontend/src/lib/components/apps/editor/AppEditorHeader.svelte
+++ b/frontend/src/lib/components/apps/editor/AppEditorHeader.svelte
@@ -632,7 +632,8 @@
 			workspace: $workspaceStore!,
 			path: appPath
 		})
-		onLatest = version === appVersion.version
+		onLatest = version === appVersion?.version
+
 	}
 	$: saveDrawerOpen && compareVersions()