diff --git a/.gitignore b/.gitignore
index f1ea4ba..c18a9cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -197,3 +197,5 @@ cython_debug/
 
 .vscode/
 Makefile
+
+project_dump.txt
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d739b6f..45f6aa0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,11 +5,19 @@ The format follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+## [1.0.3] - 2025-12-26
+
+### Removed
+- Index parsing stdout warning.
+
+### Changed
+- The track field type of TrackData from *int|None* to *int*, and now it is mandatory in the model. 
+
 ## [1.0.2] - 2025-12-18
 
 ### Added
-- py.typed that should allow MyPy to correctly analyse custom types.
-- seconds property in the FrameTime.
+- py.typed file that should allow MyPy to correctly analyse custom types.
+- Seconds property in the FrameTime.
 
 ### Fixed
 - CHANGELOG versions diff link.
@@ -96,7 +104,8 @@ The format follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Dataclasses for data models.
 
 
-[Unreleased]: https://github.com/Olezhich/CueTools/compare/v1.0.2...main
+[Unreleased]: https://github.com/Olezhich/CueTools/compare/v1.0.3...main
+[1.0.3]: https://github.com/Olezhich/CueTools/compare/v1.0.2...v1.0.3
 [1.0.2]: https://github.com/Olezhich/CueTools/compare/v1.0.1...v1.0.2
 [1.0.1]: https://github.com/Olezhich/CueTools/compare/v1.0.0...v1.0.1
 [1.0.0]: https://github.com/Olezhich/CueTools/compare/v0.1.5...v1.0.0
diff --git a/cuetools/models.py b/cuetools/models.py
index 226980b..67c0a32 100644
--- a/cuetools/models.py
+++ b/cuetools/models.py
@@ -17,8 +17,7 @@ class TrackData(BaseModel):
     file: Path = Field(
         description='Path to the audio file with this track (to flac, ape or etc.) relative to the cue sheet file',
     )
-    track: int | None = Field(
-        default=None,
+    track: int = Field(
         description="Track number, corresponds to the line like *'TRACK 01 AUDIO'*",
     )
     title: str | None = Field(default=None, description='Track title')
diff --git a/cuetools/parser/parser.py b/cuetools/parser/parser.py
index 0150532..6b3619f 100644
--- a/cuetools/parser/parser.py
+++ b/cuetools/parser/parser.py
@@ -208,7 +208,6 @@ def load_f_iter(cue: Iterator[str], strict_title_case: bool = False) -> AlbumDat
                         current_track.index00 = tokens[1].lexeme  # type: ignore[assignment]
                     elif index_type == 1:
                         current_track.index01 = tokens[1].lexeme  # type: ignore[assignment]
-                        print('INDEX WARN:: ', tokens[1].lexeme, current_track.index01)
                 case _:
                     raise CueParseError(
                         current_line,
diff --git a/pyproject.toml b/pyproject.toml
index b60a302..194bd32 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "cuetools"
-version = "1.0.2"
+version = "1.0.3"
 description = "Lightweight CUE sheet toolkit for Python"
 authors = [
     {name = "Olezhich"}
diff --git a/tests/test_parser.py b/tests/test_parser.py
index 5f9ac53..67a2f5e 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -126,3 +126,10 @@ def test_line_parsing():
                     INDEX 01 00:00:65"""
     cue = cuetools.loads(cue_sheet)
     logger.debug(cue)
+
+    cue_sheet = """FILE "track.flac" WAVE
+                    INDEX 00 00:00:50
+                    INDEX 01 00:00:65"""
+    with pytest.raises(cuetools.CueParseError) as e:
+        cuetools.loads(cue_sheet)
+    logger.debug(str(e.value))
diff --git a/tests/test_types.py b/tests/test_types.py
index 5cb86bd..5df1e72 100644
--- a/tests/test_types.py
+++ b/tests/test_types.py
@@ -7,7 +7,7 @@
 
 
 def test_FrameTime():
-    track = TrackData(index00='01:50:05', index01=9000, file=Path('/'))  # type: ignore
+    track = TrackData(index00='01:50:05', index01=9000, file=Path('/'), track=1)  # type: ignore
     assert track.index00.frames == 8255, 'using string to FrameTime cast'  # type: ignore
     assert track.index01.string == '02:00:00', 'using int to FrameTime cast'