diff --git a/01.workspace/heave/src/fun/sqlite_persist_catalog.rs b/01.workspace/heave/src/fun/sqlite_persist_catalog.rs
index 0931b37..9aa449a 100644
--- a/01.workspace/heave/src/fun/sqlite_persist_catalog.rs
+++ b/01.workspace/heave/src/fun/sqlite_persist_catalog.rs
@@ -83,6 +83,6 @@ pub fn run(path: &path::Path, items: &HashMap<String, Entity>) -> result::Result
     }
     transaction
         .commit()
-        .map_err(|_| sqlite::FailedTo::CommitTransaction)?;
+        .map_err(|sqlite_error| sqlite::FailedTo::CommitTransaction(sqlite_error))?;
     Ok(())
 }
diff --git a/01.workspace/heave/src/str/sqlite_failed_to.rs b/01.workspace/heave/src/str/sqlite_failed_to.rs
index ef73e36..1ba45ed 100644
--- a/01.workspace/heave/src/str/sqlite_failed_to.rs
+++ b/01.workspace/heave/src/str/sqlite_failed_to.rs
@@ -6,7 +6,7 @@ pub enum FailedTo {
     /// Failed to build a SQL statement.
     BuildStatement,
     /// Failed to commit a database transaction.
-    CommitTransaction,
+    CommitTransaction(rusqlite::Error),
     /// Failed to execute a batch of SQL statements.
     ExecuteBatch,
     /// Failed to execute a SQL query.