diff --git a/program/src/deploy.rs b/program/src/deploy.rs
index c0cd3cc..713eed7 100644
--- a/program/src/deploy.rs
+++ b/program/src/deploy.rs
@@ -34,12 +34,12 @@ pub fn process_deploy(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResul
 
     // Check whitelist
     if !AUTHORIZED_ACCOUNTS.contains(&signer_info.key) {
-        return Err(OreError::NotAuthorized.into());
+        return Err(trace("Not authorized", OreError::NotAuthorized.into()));
     }
 
     // Check minimum amount.
     if amount < config.min_deploy_amount {
-        return Err(OreError::AmountTooSmall.into());
+        return Err(trace("Amount too small", OreError::AmountTooSmall.into()));
     }
 
     // Create miner.
diff --git a/program/src/reset.rs b/program/src/reset.rs
index ad8107c..1ca9259 100644
--- a/program/src/reset.rs
+++ b/program/src/reset.rs
@@ -104,7 +104,10 @@ pub fn process_reset(accounts: &[AccountInfo<'_>], _data: &[u8]) -> ProgramResul
 
         // Check if miner was provided in correct order.
         if miner.authority != square.miners[winning_square][i] {
-            return Err(ProgramError::InvalidAccountData);
+            return Err(trace(
+                "Incorrect miner order",
+                ProgramError::InvalidAccountData,
+            ));
         }
 
         // Find the top winner.
@@ -117,7 +120,7 @@ pub fn process_reset(accounts: &[AccountInfo<'_>], _data: &[u8]) -> ProgramResul
     // Verify checksum.
     if checksum != square_prospects {
         // This can only happen if the caller didn't provide full set of winning miners.
-        return Err(ProgramError::InvalidAccountData);
+        return Err(trace("Invalid checksum", ProgramError::InvalidAccountData));
     }
 
     // Payout reward to top miner.
@@ -199,7 +202,10 @@ pub fn get_slot_hash(
     let Some(slot_hash) = slot_hashes.get(&slot) else {
         // If reset is not called within ~2.5 minutes of the block ending,
         // then the slot hash will be unavailable and secure hashes cannot be generated.
-        return Err(ProgramError::InvalidAccountData);
+        return Err(trace(
+            "Slot hash unavailable",
+            ProgramError::InvalidAccountData,
+        ));
     };
     let slot_hash = slot_hash.to_bytes();
     Ok(slot_hash)