diff --git a/core/src/error.rs b/core/src/error.rs
index 5273c4c..ee3ac40 100644
--- a/core/src/error.rs
+++ b/core/src/error.rs
@@ -14,6 +14,8 @@ pub enum ServiceError {
     Forbidden,
     #[error("Session expired, please login again")]
     ExpiredSession,
+    #[error("Missing details")]
+    MissingDetails,
     #[error("User already exists")]
     UserAlreadyExists,
     #[error("Candidate not found")]
@@ -82,6 +84,7 @@ impl ServiceError {
             // 4XX
             ServiceError::InvalidApplicationId => 400,
             ServiceError::ParentOverflow => 400,
+            ServiceError::MissingDetails => 400,
             ServiceError::Unauthorized => 401,
             ServiceError::InvalidCredentials => 401,
             ServiceError::ExpiredSession => 401,
diff --git a/core/src/models/candidate_details.rs b/core/src/models/candidate_details.rs
index 335b83c..e3f95b0 100644
--- a/core/src/models/candidate_details.rs
+++ b/core/src/models/candidate_details.rs
@@ -358,9 +358,9 @@ impl EncryptedApplicationDetails {
     }
 }
 
-impl From<(&candidate::Model, Vec<parent::Model>)> for EncryptedApplicationDetails {
+impl From<(&candidate::Model, &Vec<parent::Model>)> for EncryptedApplicationDetails {
     fn from(
-        (candidate, parents): (&candidate::Model, Vec<parent::Model>),
+        (candidate, parents): (&candidate::Model, &Vec<parent::Model>),
     ) -> Self {
         let enc_parents = parents.iter()
             .map(|m| EncryptedParentDetails::from(m))
@@ -509,7 +509,7 @@ pub mod tests {
 
         let (_, candidate, parents) = put_user_data(&db).await;
 
-        let encrypted_details = EncryptedApplicationDetails::try_from((&candidate, parents)).unwrap();
+        let encrypted_details = EncryptedApplicationDetails::try_from((&candidate, &parents)).unwrap();
 
         let application_details = encrypted_details
             .decrypt(PRIVATE_KEY.to_string()) // decrypt with admin's private key
diff --git a/core/src/services/application_service.rs b/core/src/services/application_service.rs
index 693b0f6..991184c 100644
--- a/core/src/services/application_service.rs
+++ b/core/src/services/application_service.rs
@@ -237,7 +237,7 @@ impl ApplicationService {
         let candidate = ApplicationService::find_related_candidate(db, application).await?;
 
         let parents = Query::find_candidate_parents(db, &candidate).await?;
-        let enc_details = EncryptedApplicationDetails::from((&candidate, parents));
+        let enc_details = EncryptedApplicationDetails::from((&candidate, &parents));
 
         if enc_details.is_filled() {
             enc_details.decrypt(private_key).await
@@ -330,7 +330,7 @@ impl ApplicationService {
         recipients.append(&mut admin_public_keys);
         recipients.append(&mut applications.iter().map(|a| a.public_key.to_owned()).collect());
         
-        let dec_details = EncryptedApplicationDetails::from((&candidate, parents.clone()))
+        let dec_details = EncryptedApplicationDetails::from((&candidate, &parents))
             .decrypt(admin_private_key).await?;
 
         let enc_details = EncryptedApplicationDetails::new(&dec_details, recipients).await?;
diff --git a/core/src/services/candidate_service.rs b/core/src/services/candidate_service.rs
index 46a4976..223b8c1 100644
--- a/core/src/services/candidate_service.rs
+++ b/core/src/services/candidate_service.rs
@@ -134,7 +134,7 @@ pub mod tests {
         let dec_priv_key = crypto::decrypt_password(application.private_key.clone(), password)
             .await
             .unwrap();
-        let enc_details = EncryptedApplicationDetails::try_from((&enc_candidate, enc_parent))
+        let enc_details = EncryptedApplicationDetails::try_from((&enc_candidate, &enc_parent))
             .ok()
             .unwrap();
         let dec_details = enc_details.decrypt(dec_priv_key).await.ok().unwrap();
diff --git a/core/src/services/parent_service.rs b/core/src/services/parent_service.rs
index 74cb8d0..2367b0f 100644
--- a/core/src/services/parent_service.rs
+++ b/core/src/services/parent_service.rs
@@ -117,7 +117,7 @@ mod tests {
             .unwrap();
 
         let priv_key = crypto::decrypt_password(application.private_key.clone(), plain_text_password).await.unwrap();
-        let dec_details = EncryptedApplicationDetails::try_from((&candidate, parents))
+        let dec_details = EncryptedApplicationDetails::try_from((&candidate, &parents))
             .unwrap()
             .decrypt(priv_key)
             .await
diff --git a/core/src/utils/csv.rs b/core/src/utils/csv.rs
index 4a09f61..ff4d740 100644
--- a/core/src/utils/csv.rs
+++ b/core/src/utils/csv.rs
@@ -57,7 +57,7 @@ pub async fn export(db: &DbConn, private_key: String) -> Result<Vec<u8>, Service
         let candidate = ApplicationService::find_related_candidate(db, &application).await?;
         let parents = Query::find_candidate_parents(db, &candidate).await?;
 
-        let row: ApplicationRow = match EncryptedApplicationDetails::try_from((&candidate, parents))
+        let row: ApplicationRow = match EncryptedApplicationDetails::try_from((&candidate, &parents))
         {
             Ok(d) => ApplicationRow::from(
                 d.decrypt(private_key.to_string())