diff --git a/milli/src/error.rs b/milli/src/error.rs
index 096851f09..5a8dfc90b 100644
--- a/milli/src/error.rs
+++ b/milli/src/error.rs
@@ -43,8 +43,8 @@ pub enum SerializationError {
 
 #[derive(Debug)]
 pub enum FieldIdMapMissingEntry {
-    FieldId { field_id: FieldId, from_db_name: &'static str },
-    FieldName { field_name: String, from_db_name: &'static str },
+    FieldId { field_id: FieldId, process: &'static str },
+    FieldName { field_name: String, process: &'static str },
 }
 
 #[derive(Debug)]
@@ -224,11 +224,11 @@ impl StdError for UserError {}
 impl fmt::Display for FieldIdMapMissingEntry {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match self {
-            Self::FieldId { field_id, from_db_name } => {
-                write!(f, "unknown field id {} coming from {} database", field_id, from_db_name)
+            Self::FieldId { field_id, process } => {
+                write!(f, "unknown field id {} coming from the {} process", field_id, process)
             },
-            Self::FieldName { field_name, from_db_name } => {
-                write!(f, "unknown field name {} coming from {} database", field_name, from_db_name)
+            Self::FieldName { field_name, process } => {
+                write!(f, "unknown field name {} coming from the {} process", field_name, process)
             },
         }
     }
diff --git a/milli/src/lib.rs b/milli/src/lib.rs
index 6fa88ad64..f37244114 100644
--- a/milli/src/lib.rs
+++ b/milli/src/lib.rs
@@ -62,7 +62,7 @@ pub fn obkv_to_json(
         .map(|(id, value)| {
             let name = fields_ids_map.name(id).ok_or(error::FieldIdMapMissingEntry::FieldId {
                 field_id: id,
-                from_db_name: "documents",
+                process: "obkv_to_json",
             })?;
             let value = serde_json::from_slice(value).map_err(error::InternalError::SerdeJson)?;
             Ok((name.to_owned(), value))
diff --git a/milli/src/search/criteria/asc_desc.rs b/milli/src/search/criteria/asc_desc.rs
index c72781629..95f77fd78 100644
--- a/milli/src/search/criteria/asc_desc.rs
+++ b/milli/src/search/criteria/asc_desc.rs
@@ -61,7 +61,7 @@ impl<'t> AscDesc<'t> {
             .id(&field_name)
             .ok_or_else(|| FieldIdMapMissingEntry::FieldName {
                 field_name: field_name.clone(),
-                from_db_name: "asc-desc",
+                process: "AscDesc::new",
             })?;
 
         Ok(AscDesc {
diff --git a/milli/src/search/facet/facet_distribution.rs b/milli/src/search/facet/facet_distribution.rs
index 917314b25..265a8ffeb 100644
--- a/milli/src/search/facet/facet_distribution.rs
+++ b/milli/src/search/facet/facet_distribution.rs
@@ -203,7 +203,7 @@ impl<'a> FacetDistribution<'a> {
         for name in filterable_fields {
             let fid = fields_ids_map.id(&name).ok_or_else(|| FieldIdMapMissingEntry::FieldName {
                 field_name: name.clone(),
-                from_db_name: "filterable-fields",
+                process: "FacetDistribution::execute",
             })?;
             let values = self.facet_values(fid)?;
             distribution.insert(name, values);