diff --git a/01.workspace/heave/src/fun/sqlite_load_attributes.rs b/01.workspace/heave/src/fun/sqlite_load_attributes.rs
index 3f11b77..ecaf778 100644
--- a/01.workspace/heave/src/fun/sqlite_load_attributes.rs
+++ b/01.workspace/heave/src/fun/sqlite_load_attributes.rs
@@ -17,7 +17,7 @@ const SELECT_ATTRIBUTE_BY_FK: &str = r#"
 pub fn run(transaction: &Transaction, entity: &mut Entity) -> Result<(), FailedTo> {
     let mut select_attributes_statement = transaction
         .prepare(SELECT_ATTRIBUTE_BY_FK)
-        .map_err(|_| sqlite::FailedTo::PrepareStatement)?;
+        .map_err(|sqlite_error| sqlite::FailedTo::PrepareStatement(sqlite_error))?;
     let attributes = select_attributes_statement
         .query_map([&entity.id], sqlite::map::row_to_attribute)
         .map_err(|sqlite_error| sqlite::FailedTo::ExecuteQuery(sqlite_error))?;
diff --git a/01.workspace/heave/src/fun/sqlite_load_by_class.rs b/01.workspace/heave/src/fun/sqlite_load_by_class.rs
index 328ddb1..69ff6d1 100644
--- a/01.workspace/heave/src/fun/sqlite_load_by_class.rs
+++ b/01.workspace/heave/src/fun/sqlite_load_by_class.rs
@@ -16,7 +16,7 @@ pub fn run(path: &path::Path, entity_class: &str) -> Result<Vec<Entity>, FailedT
     transaction.set_drop_behavior(DropBehavior::Commit);
     let mut statement = transaction
         .prepare(SELECT_ENTITY_BY_CLASS)
-        .map_err(|_| sqlite::FailedTo::PrepareStatement)?;
+        .map_err(|sqlite_error| sqlite::FailedTo::PrepareStatement(sqlite_error))?;
     let result = statement
         .query_map([entity_class], sqlite::map::row_to_entity)
         .map_err(|sqlite_error| sqlite::FailedTo::ExecuteQuery(sqlite_error))?;
diff --git a/01.workspace/heave/src/fun/sqlite_load_by_filter.rs b/01.workspace/heave/src/fun/sqlite_load_by_filter.rs
index 02ad187..54bcc84 100644
--- a/01.workspace/heave/src/fun/sqlite_load_by_filter.rs
+++ b/01.workspace/heave/src/fun/sqlite_load_by_filter.rs
@@ -14,7 +14,7 @@ pub fn run(path: &path::Path, filter: &Filter) -> Result<Vec<Entity>, FailedTo>
     let params: Vec<&dyn ToSql> = params.iter().map(|p| p.as_ref() as &dyn ToSql).collect();
     let mut statement = transaction
         .prepare(&select_entity_by_filter)
-        .map_err(|_| sqlite::FailedTo::PrepareStatement)?;
+        .map_err(|sqlite_error| sqlite::FailedTo::PrepareStatement(sqlite_error))?;
     let result = statement
         .query_map(&params[..], sqlite::map::row_to_entity)
         .map_err(|sqlite_error| sqlite::FailedTo::ExecuteQuery(sqlite_error))?;
diff --git a/01.workspace/heave/src/str/sqlite_failed_to.rs b/01.workspace/heave/src/str/sqlite_failed_to.rs
index 353bf43..29ff835 100644
--- a/01.workspace/heave/src/str/sqlite_failed_to.rs
+++ b/01.workspace/heave/src/str/sqlite_failed_to.rs
@@ -16,5 +16,5 @@ pub enum FailedTo {
     /// Failed to open a connection to the SQLite database.
     OpenConnection(rusqlite::Error),
     /// Failed to prepare a SQL statement for execution.
-    PrepareStatement,
+    PrepareStatement(rusqlite::Error),
 }