Aggregate function with filter doesn't work in layout manager

[katagen]

What is the bug or the crash?

I have a point layer named "Observation", with different attributes and one called "field_year" (date). My project also have a variable called @year.

In the layout, I have a A0 page (1189x841), but I want an extra space to put my attribute table (1cm for each row). So I'm trying to calculate the size with this formula, and it's worked fine:

841 + (10 * layer_property('Observation', 'feature_count'))

My problem is that my attribute table shows only the observations for the given year (@year), with this formula as a filter:
to_string(year("field_year")) LIKE @year

So to be able to count only the number of rows for a given year, I want to use the "aggregate" function, like this (single or double quotes for attributes doesn't change anything):

aggregate(
    layer:='Observation',
    aggregate:='count',
    expression:="field_year",
    filter:=to_string(year("field_year")) LIKE @year
  )

But it always says "No feature was found to evaluate the expression".
If I use the same expression to calculate a field in the attribute table, the function works (the pictures shows attributes in French, but it's the same).

Steps to reproduce the issue

1. Open QGIS.
2. Load a vector data, with one attribute to filter.
3. Go to Layout manager, and choose for exemple A4.
4. In the size of the paper, try to set the high with an expression.
5. Use the aggregate expression to count the number of features ('count'), WITH a filter expression.

Versions

Version de QGIS
3.16.10-Hannover
Révision du code
e5b665e
Compilé avec Qt
5.15.2
Utilisant Qt
5.15.2
Compilé avec GDAL/OGR
3.3.1
Utilisé avec GDAL/OGR
3.3.1
Compilé avec GEOS
3.9.1-CAPI-1.14.2
Utilisé avec GEOS
3.9.1-CAPI-1.14.2
Compilé avec SQLite
3.35.2
Fonctionne avec SQLite
3.35.2
Version du client PostgreSQL
13.0
Version de SpatiaLite
5.0.1
Version de QWT
6.1.3
Version de QScintilla2
2.11.5
Compilé avec PROJ
8.1.0
Fonctionne avec PROJ
Rel. 8.1.0, July 1st, 2021
Version de l'OS
Windows 10 Version 2009
Extensions Python actives
AnotherDXF2Shape;
AppendFeaturesToLayer;
autoSaver;
CalculateGeometry;
catalogotf_plugin;
changeDataSource;
color_attribute;
DataPlotly;
DigitizingTools;
lizmap;
loadthemall;
LocatePoints;
lrs;
MapsPrinter;
mask;
menu_from_project;
Mergin;
profiletool;
qgis2web;
slyr_community;
SpreadsheetLayers;
swissgeodownloader;
swiss_locator;
TomBio;
VectorBender;
ViewshedAnalysis;
db_manager;
processing

Supported QGIS version

• I'm running a supported QGIS version according to the roadmap.

New profile

• I tried with a new QGIS profile

Additional context

The "aggregate" function shows no error in the layout manager, if we don't add a filter. But the value is always zero.

[elpaso]

Can you please attach a test project to reproduce the issue?

[katagen]

The variable @year is written Année in this project. As you can see, I can't use the formula to define the height of my page in the print layout.
PL_Suivi d'efficacité.zip

[DelazJ]

Remind me somehow #42884 though in that case, the OK button was accessible

[elpaso]

Works for me.