diff --git a/validation/api/src/external.rs b/validation/api/src/external.rs
index e5b9cb0..4d19bef 100644
--- a/validation/api/src/external.rs
+++ b/validation/api/src/external.rs
@@ -46,7 +46,7 @@ impl Context{
 		).await.map_err(Error::Response)?
 		.json().await.map_err(Error::ReqwestJson)
 	}
-	pub async fn get_script_from_hash(&self,config:HashRequest<'_>)->Result<Option<ScriptResponse>,SingleItemError>{
+	pub async fn get_script_from_hash(&self,config:HashRequest<'_>)->Result<Option<ScriptResponse>,ScriptSingleItemError>{
 		let scripts=self.get_scripts(GetScriptsRequest{
 			Page:1,
 			Limit:2,
@@ -57,7 +57,7 @@ impl Context{
 			ResourceID:None,
 		}).await.map_err(SingleItemError::Other)?;
 		if 1<scripts.len(){
-			return Err(SingleItemError::DuplicateItems);
+			return Err(SingleItemError::DuplicateItems(scripts));
 		}
 		Ok(scripts.into_iter().next())
 	}
@@ -106,7 +106,7 @@ impl Context{
 		).await.map_err(Error::Response)?
 		.json().await.map_err(Error::ReqwestJson)
 	}
-	pub async fn get_script_policy_from_hash(&self,config:HashRequest<'_>)->Result<Option<ScriptPolicyResponse>,SingleItemError>{
+	pub async fn get_script_policy_from_hash(&self,config:HashRequest<'_>)->Result<Option<ScriptPolicyResponse>,ScriptPolicySingleItemError>{
 		let policies=self.get_script_policies(GetScriptPoliciesRequest{
 			Page:1,
 			Limit:2,
@@ -115,7 +115,7 @@ impl Context{
 			Policy:None,
 		}).await.map_err(SingleItemError::Other)?;
 		if 1<policies.len(){
-			return Err(SingleItemError::DuplicateItems);
+			return Err(SingleItemError::DuplicateItems(policies));
 		}
 		Ok(policies.into_iter().next())
 	}
diff --git a/validation/api/src/internal.rs b/validation/api/src/internal.rs
index 79faa4a..0375300 100644
--- a/validation/api/src/internal.rs
+++ b/validation/api/src/internal.rs
@@ -76,7 +76,7 @@ impl Context{
 		).await.map_err(Error::Response)?
 		.json().await.map_err(Error::ReqwestJson)
 	}
-	pub async fn get_script_from_hash(&self,config:HashRequest<'_>)->Result<Option<ScriptResponse>,SingleItemError>{
+	pub async fn get_script_from_hash(&self,config:HashRequest<'_>)->Result<Option<ScriptResponse>,ScriptSingleItemError>{
 		let scripts=self.get_scripts(GetScriptsRequest{
 			Page:1,
 			Limit:2,
@@ -87,7 +87,7 @@ impl Context{
 			ResourceID:None,
 		}).await.map_err(SingleItemError::Other)?;
 		if 1<scripts.len(){
-			return Err(SingleItemError::DuplicateItems);
+			return Err(SingleItemError::DuplicateItems(scripts));
 		}
 		Ok(scripts.into_iter().next())
 	}
@@ -126,7 +126,7 @@ impl Context{
 		).await.map_err(Error::Response)?
 		.json().await.map_err(Error::ReqwestJson)
 	}
-	pub async fn get_script_policy_from_hash(&self,config:HashRequest<'_>)->Result<Option<ScriptPolicyResponse>,SingleItemError>{
+	pub async fn get_script_policy_from_hash(&self,config:HashRequest<'_>)->Result<Option<ScriptPolicyResponse>,ScriptPolicySingleItemError>{
 		let policies=self.get_script_policies(GetScriptPoliciesRequest{
 			Page:1,
 			Limit:2,
@@ -135,7 +135,7 @@ impl Context{
 			Policy:None,
 		}).await.map_err(SingleItemError::Other)?;
 		if 1<policies.len(){
-			return Err(SingleItemError::DuplicateItems);
+			return Err(SingleItemError::DuplicateItems(policies));
 		}
 		Ok(policies.into_iter().next())
 	}
diff --git a/validation/api/src/types.rs b/validation/api/src/types.rs
index 1616ac5..be8ca5f 100644
--- a/validation/api/src/types.rs
+++ b/validation/api/src/types.rs
@@ -14,16 +14,21 @@ impl std::fmt::Display for Error{
 impl std::error::Error for Error{}
 
 #[derive(Debug)]
-pub enum SingleItemError{
-	DuplicateItems,
+pub enum SingleItemError<Items>{
+	DuplicateItems(Items),
 	Other(Error),
 }
-impl std::fmt::Display for SingleItemError{
+impl<Items> std::fmt::Display for SingleItemError<Items>
+where
+	Items:std::fmt::Debug
+{
 	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
 		write!(f,"{self:?}")
 	}
 }
-impl std::error::Error for SingleItemError{}
+impl<Items> std::error::Error for SingleItemError<Items> where Items:std::fmt::Debug{}
+pub type ScriptSingleItemError=SingleItemError<Vec<ScriptResponse>>;
+pub type ScriptPolicySingleItemError=SingleItemError<Vec<ScriptPolicyResponse>>;
 
 #[allow(dead_code)]
 #[derive(Debug)]
diff --git a/validation/src/validator.rs b/validation/src/validator.rs
index 26ac08c..e5ef087 100644
--- a/validation/src/validator.rs
+++ b/validation/src/validator.rs
@@ -39,11 +39,11 @@ pub enum Error{
 	ScriptNotYetReviewed(Option<submissions_api::types::ScriptID>),
 	Download(crate::download::Error),
 	ModelFileDecode(ReadDomError),
-	ApiGetScriptPolicyFromHash(submissions_api::types::SingleItemError),
+	ApiGetScriptPolicyFromHash(submissions_api::types::ScriptPolicySingleItemError),
 	ApiGetScript(submissions_api::Error),
 	ApiCreateScript(submissions_api::Error),
 	ApiCreateScriptPolicy(submissions_api::Error),
-	ApiGetScriptFromHash(submissions_api::types::SingleItemError),
+	ApiGetScriptFromHash(submissions_api::types::ScriptSingleItemError),
 	ApiUpdateMapfixModel(submissions_api::Error),
 	ApiUpdateSubmissionModel(submissions_api::Error),
 	ModelFileRootMustHaveOneChild,