diff --git a/cxx/src/error.rs b/cxx/src/error.rs
new file mode 100644
index 00000000..d9bd7f1a
--- /dev/null
+++ b/cxx/src/error.rs
@@ -0,0 +1,211 @@
+use crate::game::NotValidUtf8;
+use libloot_ffi_errors::SystemError;
+
+use libloot::{
+    error::{
+        ConditionEvaluationError, DatabaseLockPoisonError, GameHandleCreationError,
+        GroupsPathError, LoadOrderError, LoadOrderStateError, LoadPluginsError,
+        MetadataRetrievalError, PluginDataError, SortPluginsError,
+    },
+    metadata::error::{
+        LoadMetadataError, MultilingualMessageContentsError, RegexError, WriteMetadataError,
+    },
+};
+
+#[derive(Debug)]
+pub enum VerboseError {
+    CyclicInteractionError(Vec<libloot::Vertex>),
+    UndefinedGroupError(String),
+    EspluginError(i32, String),
+    LibloadorderError(i32, String),
+    LciError(i32, String),
+    FileAccessError(String),
+    InvalidArgument(String),
+    Other(Box<dyn std::error::Error>),
+}
+
+impl std::fmt::Display for VerboseError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Self::CyclicInteractionError(cycle) => {
+                write!(f, "CyclicInteractionError: ")?;
+                for vertex in cycle {
+                    let name = vertex.name().replace("\\", "\\\\").replace("-", "\\-");
+                    match vertex.out_edge_type() {
+                        Some(e) => write!(f, "{}--{}--", name, e)?,
+                        None => write!(f, "{}", name)?,
+                    }
+                }
+                Ok(())
+            }
+            Self::UndefinedGroupError(group) => {
+                write!(f, "UndefinedGroupError: {}", group)
+            }
+            Self::EspluginError(c, s) => {
+                write!(f, "EspluginError: {}: {}", c, s)
+            }
+            Self::LibloadorderError(c, s) => {
+                write!(f, "LibloadorderError: {}: {}", c, s)
+            }
+            Self::LciError(c, s) => {
+                write!(f, "LciError: {}: {}", c, s)
+            }
+            Self::FileAccessError(s) => write!(f, "FileAccessError: {}", s),
+            Self::InvalidArgument(s) => write!(f, "InvalidArgument: {}", s),
+            Self::Other(e) => {
+                write!(f, "{}", e)?;
+                let mut error = e.as_ref();
+                while let Some(source) = error.source() {
+                    write!(f, ": {}", source)?;
+                    error = source;
+                }
+                Ok(())
+            }
+        }
+    }
+}
+
+impl From<GameHandleCreationError> for VerboseError {
+    fn from(value: GameHandleCreationError) -> Self {
+        match value {
+            GameHandleCreationError::LoadOrderError(e) => e.into(),
+            GameHandleCreationError::NotADirectory(_) => Self::InvalidArgument(value.to_string()),
+            _ => Self::Other(Box::new(value)),
+        }
+    }
+}
+
+impl From<UnsupportedEnumValueError> for VerboseError {
+    fn from(value: UnsupportedEnumValueError) -> Self {
+        Self::Other(Box::new(value))
+    }
+}
+
+impl From<NotValidUtf8> for VerboseError {
+    fn from(value: NotValidUtf8) -> Self {
+        Self::Other(Box::new(value))
+    }
+}
+
+impl From<DatabaseLockPoisonError> for VerboseError {
+    fn from(value: DatabaseLockPoisonError) -> Self {
+        Self::Other(Box::new(value))
+    }
+}
+
+impl From<LoadPluginsError> for VerboseError {
+    fn from(value: LoadPluginsError) -> Self {
+        match value {
+            LoadPluginsError::PluginDataError(e) => e.into(),
+            LoadPluginsError::PluginValidationError(_) => Self::InvalidArgument(value.to_string()),
+            _ => Self::Other(Box::new(value)),
+        }
+    }
+}
+
+impl From<SortPluginsError> for VerboseError {
+    fn from(value: SortPluginsError) -> Self {
+        match value {
+            SortPluginsError::MetadataRetrievalError(e) => e.into(),
+            SortPluginsError::UndefinedGroup(g) => Self::UndefinedGroupError(g),
+            SortPluginsError::CycleFound(cycle) => Self::CyclicInteractionError(cycle),
+            SortPluginsError::PluginDataError(e) => e.into(),
+            _ => Self::Other(Box::new(value)),
+        }
+    }
+}
+
+impl From<LoadOrderStateError> for VerboseError {
+    fn from(value: LoadOrderStateError) -> Self {
+        match value {
+            LoadOrderStateError::LoadOrderError(e) => e.into(),
+            _ => Self::Other(Box::new(value)),
+        }
+    }
+}
+
+impl From<LoadOrderError> for VerboseError {
+    fn from(value: LoadOrderError) -> Self {
+        let error = SystemError::from(value);
+        Self::LibloadorderError(error.code(), error.message().to_string())
+    }
+}
+
+impl From<LoadMetadataError> for VerboseError {
+    fn from(value: LoadMetadataError) -> Self {
+        Self::FileAccessError(value.to_string())
+    }
+}
+
+impl From<WriteMetadataError> for VerboseError {
+    fn from(value: WriteMetadataError) -> Self {
+        Self::FileAccessError(value.to_string())
+    }
+}
+
+impl From<ConditionEvaluationError> for VerboseError {
+    fn from(value: ConditionEvaluationError) -> Self {
+        let error = SystemError::from(value);
+        Self::LciError(error.code(), error.message().to_string())
+    }
+}
+
+impl From<GroupsPathError> for VerboseError {
+    fn from(value: GroupsPathError) -> Self {
+        match value {
+            GroupsPathError::UndefinedGroup(g) => Self::UndefinedGroupError(g),
+            GroupsPathError::CycleFound(cycle) => Self::CyclicInteractionError(cycle),
+            _ => Self::Other(Box::new(value)),
+        }
+    }
+}
+
+impl From<MetadataRetrievalError> for VerboseError {
+    fn from(value: MetadataRetrievalError) -> Self {
+        match value {
+            MetadataRetrievalError::ConditionEvaluationError(e) => e.into(),
+            _ => Self::Other(Box::new(value)),
+        }
+    }
+}
+
+impl From<PluginDataError> for VerboseError {
+    fn from(value: PluginDataError) -> Self {
+        let error = SystemError::from(value);
+        Self::EspluginError(error.code(), error.message().to_string())
+    }
+}
+
+impl From<MultilingualMessageContentsError> for VerboseError {
+    fn from(value: MultilingualMessageContentsError) -> Self {
+        Self::Other(Box::new(value))
+    }
+}
+
+impl From<RegexError> for VerboseError {
+    fn from(value: RegexError) -> Self {
+        Self::Other(Box::new(value))
+    }
+}
+
+#[derive(Debug)]
+pub struct EmptyOptionalError;
+
+impl std::fmt::Display for EmptyOptionalError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "optional is empty")
+    }
+}
+
+impl std::error::Error for EmptyOptionalError {}
+
+#[derive(Debug)]
+pub struct UnsupportedEnumValueError;
+
+impl std::fmt::Display for UnsupportedEnumValueError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "Enum value is unsupported")
+    }
+}
+
+impl std::error::Error for UnsupportedEnumValueError {}
diff --git a/cxx/src/lib.rs b/cxx/src/lib.rs
index 27012327..c1b1ebe6 100644
--- a/cxx/src/lib.rs
+++ b/cxx/src/lib.rs
@@ -1,11 +1,12 @@
 mod database;
+mod error;
 mod game;
 mod metadata;
 mod plugin;
 
 use database::{Database, Vertex, new_vertex};
-use game::{Game, NotValidUtf8, new_game, new_game_with_local_path};
-use libloot_ffi_errors::SystemError;
+use error::{EmptyOptionalError, UnsupportedEnumValueError, VerboseError};
+use game::{Game, new_game, new_game_with_local_path};
 use metadata::{
     File, Filename, Group, Location, Message, MessageContent, OptionalMessageContentRef,
     OptionalPluginMetadata, PluginCleaningData, PluginMetadata, Tag, group_default_name,
@@ -20,195 +21,9 @@ use std::{
 };
 use unicase::UniCase;
 
-use libloot::{
-    error::{
-        ConditionEvaluationError, DatabaseLockPoisonError, GameHandleCreationError,
-        GroupsPathError, LoadOrderError, LoadOrderStateError, LoadPluginsError,
-        MetadataRetrievalError, PluginDataError, SortPluginsError,
-    },
-    metadata::error::{
-        LoadMetadataError, MultilingualMessageContentsError, RegexError, WriteMetadataError,
-    },
-    set_logging_callback,
-};
+use libloot::set_logging_callback;
 pub use libloot::{is_compatible, libloot_revision, libloot_version};
 
-#[derive(Debug)]
-pub enum VerboseError {
-    CyclicInteractionError(Vec<libloot::Vertex>),
-    UndefinedGroupError(String),
-    EspluginError(i32, String),
-    LibloadorderError(i32, String),
-    LciError(i32, String),
-    FileAccessError(String),
-    InvalidArgument(String),
-    Other(Box<dyn std::error::Error>),
-}
-
-impl std::fmt::Display for VerboseError {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            Self::CyclicInteractionError(cycle) => {
-                write!(f, "CyclicInteractionError: ")?;
-                for vertex in cycle {
-                    let name = vertex.name().replace("\\", "\\\\").replace("-", "\\-");
-                    match vertex.out_edge_type() {
-                        Some(e) => write!(f, "{}--{}--", name, e)?,
-                        None => write!(f, "{}", name)?,
-                    }
-                }
-                Ok(())
-            }
-            Self::UndefinedGroupError(group) => {
-                write!(f, "UndefinedGroupError: {}", group)
-            }
-            Self::EspluginError(c, s) => {
-                write!(f, "EspluginError: {}: {}", c, s)
-            }
-            Self::LibloadorderError(c, s) => {
-                write!(f, "LibloadorderError: {}: {}", c, s)
-            }
-            Self::LciError(c, s) => {
-                write!(f, "LciError: {}: {}", c, s)
-            }
-            Self::FileAccessError(s) => write!(f, "FileAccessError: {}", s),
-            Self::InvalidArgument(s) => write!(f, "InvalidArgument: {}", s),
-            Self::Other(e) => {
-                write!(f, "{}", e)?;
-                let mut error = e.as_ref();
-                while let Some(source) = error.source() {
-                    write!(f, ": {}", source)?;
-                    error = source;
-                }
-                Ok(())
-            }
-        }
-    }
-}
-
-impl From<GameHandleCreationError> for VerboseError {
-    fn from(value: GameHandleCreationError) -> Self {
-        match value {
-            GameHandleCreationError::LoadOrderError(e) => e.into(),
-            GameHandleCreationError::NotADirectory(_) => Self::InvalidArgument(value.to_string()),
-            _ => Self::Other(Box::new(value)),
-        }
-    }
-}
-
-impl From<UnsupportedEnumValueError> for VerboseError {
-    fn from(value: UnsupportedEnumValueError) -> Self {
-        Self::Other(Box::new(value))
-    }
-}
-
-impl From<NotValidUtf8> for VerboseError {
-    fn from(value: NotValidUtf8) -> Self {
-        Self::Other(Box::new(value))
-    }
-}
-
-impl From<DatabaseLockPoisonError> for VerboseError {
-    fn from(value: DatabaseLockPoisonError) -> Self {
-        Self::Other(Box::new(value))
-    }
-}
-
-impl From<LoadPluginsError> for VerboseError {
-    fn from(value: LoadPluginsError) -> Self {
-        match value {
-            LoadPluginsError::PluginDataError(e) => e.into(),
-            LoadPluginsError::PluginValidationError(_) => Self::InvalidArgument(value.to_string()),
-            _ => Self::Other(Box::new(value)),
-        }
-    }
-}
-
-impl From<SortPluginsError> for VerboseError {
-    fn from(value: SortPluginsError) -> Self {
-        match value {
-            SortPluginsError::MetadataRetrievalError(e) => e.into(),
-            SortPluginsError::UndefinedGroup(g) => Self::UndefinedGroupError(g),
-            SortPluginsError::CycleFound(cycle) => Self::CyclicInteractionError(cycle),
-            SortPluginsError::PluginDataError(e) => e.into(),
-            _ => Self::Other(Box::new(value)),
-        }
-    }
-}
-
-impl From<LoadOrderStateError> for VerboseError {
-    fn from(value: LoadOrderStateError) -> Self {
-        match value {
-            LoadOrderStateError::LoadOrderError(e) => e.into(),
-            _ => Self::Other(Box::new(value)),
-        }
-    }
-}
-
-impl From<LoadOrderError> for VerboseError {
-    fn from(value: LoadOrderError) -> Self {
-        let error = SystemError::from(value);
-        Self::LibloadorderError(error.code(), error.message().to_string())
-    }
-}
-
-impl From<LoadMetadataError> for VerboseError {
-    fn from(value: LoadMetadataError) -> Self {
-        Self::FileAccessError(value.to_string())
-    }
-}
-
-impl From<WriteMetadataError> for VerboseError {
-    fn from(value: WriteMetadataError) -> Self {
-        Self::FileAccessError(value.to_string())
-    }
-}
-
-impl From<ConditionEvaluationError> for VerboseError {
-    fn from(value: ConditionEvaluationError) -> Self {
-        let error = SystemError::from(value);
-        Self::LciError(error.code(), error.message().to_string())
-    }
-}
-
-impl From<GroupsPathError> for VerboseError {
-    fn from(value: GroupsPathError) -> Self {
-        match value {
-            GroupsPathError::UndefinedGroup(g) => Self::UndefinedGroupError(g),
-            GroupsPathError::CycleFound(cycle) => Self::CyclicInteractionError(cycle),
-            _ => Self::Other(Box::new(value)),
-        }
-    }
-}
-
-impl From<MetadataRetrievalError> for VerboseError {
-    fn from(value: MetadataRetrievalError) -> Self {
-        match value {
-            MetadataRetrievalError::ConditionEvaluationError(e) => e.into(),
-            _ => Self::Other(Box::new(value)),
-        }
-    }
-}
-
-impl From<PluginDataError> for VerboseError {
-    fn from(value: PluginDataError) -> Self {
-        let error = SystemError::from(value);
-        Self::EspluginError(error.code(), error.message().to_string())
-    }
-}
-
-impl From<MultilingualMessageContentsError> for VerboseError {
-    fn from(value: MultilingualMessageContentsError) -> Self {
-        Self::Other(Box::new(value))
-    }
-}
-
-impl From<RegexError> for VerboseError {
-    fn from(value: RegexError) -> Self {
-        Self::Other(Box::new(value))
-    }
-}
-
 #[derive(Debug)]
 pub struct OptionalRef<T: ?Sized>(*const T);
 
@@ -243,28 +58,6 @@ impl<T> Optional<T> {
     }
 }
 
-#[derive(Debug)]
-pub struct EmptyOptionalError;
-
-impl std::fmt::Display for EmptyOptionalError {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "optional is empty")
-    }
-}
-
-impl std::error::Error for EmptyOptionalError {}
-
-#[derive(Debug)]
-pub struct UnsupportedEnumValueError;
-
-impl std::fmt::Display for UnsupportedEnumValueError {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "Enum value is unsupported")
-    }
-}
-
-impl std::error::Error for UnsupportedEnumValueError {}
-
 fn compare_filenames(lhs: &str, rhs: &str) -> i8 {
     match UniCase::new(lhs).cmp(&UniCase::new(rhs)) {
         std::cmp::Ordering::Less => -1,