diff --git a/gateway-contract/contracts/factory_contract/src/errors.rs b/gateway-contract/contracts/factory_contract/src/errors.rs
index e69de29b..5c369783 100644
--- a/gateway-contract/contracts/factory_contract/src/errors.rs
+++ b/gateway-contract/contracts/factory_contract/src/errors.rs
@@ -0,0 +1,10 @@
+use soroban_sdk::contracterror;
+
+#[contracterror]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+#[repr(u32)]
+pub enum FactoryError {
+    Unauthorized = 1,
+    AlreadyDeployed = 2,
+    CoreContractNotConfigured = 3,
+}
diff --git a/gateway-contract/contracts/factory_contract/src/lib.rs b/gateway-contract/contracts/factory_contract/src/lib.rs
index 6c72d263..4a82b61e 100644
--- a/gateway-contract/contracts/factory_contract/src/lib.rs
+++ b/gateway-contract/contracts/factory_contract/src/lib.rs
@@ -1,6 +1,9 @@
 #![no_std]
 use soroban_sdk::{contract, contractimpl};
 
+mod errors;
+pub use errors::FactoryError;
+
 #[contract]
 pub struct FactoryContract;