diff --git a/fortls/debug.py b/fortls/debug.py
index 7e7a5e48..3e8dbc07 100644
--- a/fortls/debug.py
+++ b/fortls/debug.py
@@ -7,6 +7,7 @@
 
 import json5
 
+from .exceptions import DebugError, ParameterError, ParserError
 from .helper_functions import only_dirs, resolve_globs
 from .jsonrpc import JSONRPC2Connection, ReadWriter, path_from_uri
 from .langserver import LangServer
diff --git a/fortls/exceptions.py b/fortls/exceptions.py
new file mode 100644
index 00000000..654788b2
--- /dev/null
+++ b/fortls/exceptions.py
@@ -0,0 +1,17 @@
+from __future__ import annotations
+
+
+class DebugError(Exception):
+    """Base class for debug CLI."""
+
+
+class ParameterError(DebugError):
+    """Exception raised for errors in the parameters."""
+
+
+class ParserError(Exception):
+    """Parser base class exception"""
+
+
+class FortranFileNotFoundError(ParserError, FileNotFoundError):
+    """File not found"""
diff --git a/fortls/parsers/internal/parser.py b/fortls/parsers/internal/parser.py
index d48a0dac..56c54146 100644
--- a/fortls/parsers/internal/parser.py
+++ b/fortls/parsers/internal/parser.py
@@ -24,6 +24,7 @@
     Severity,
     log,
 )
+from fortls.exceptions import FortranFileNotFoundError
 from fortls.ftypes import (
     ClassInfo,
     FunSig,
@@ -2303,11 +2304,3 @@ def find_file_in_directories(directories: Iterable[str], filename: str) -> str:
                 line = line_new
         output_file.append(line)
     return output_file, pp_skips, pp_defines, defs_tmp
-
-
-class ParserError(Exception):
-    """Parser base class exception"""
-
-
-class FortranFileNotFoundError(ParserError, FileNotFoundError):
-    """File not found"""