using the get_symbol_colors() function QGIS freezes

[pigreco]

I created the project, at reopening QGIS crashes

In the project I use the function get_symbol_colors()

I have no message other than the following:

attached data and project:
https://github.com/pigreco/cityEuropee_piu_vicine/tree/main/risorse

Report Details

Python Stack Trace

Windows fatal exception: access violation

Current thread 0x00005c30 (most recent call first):
  File "C:\Users/pigre/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\DataPlotly\core\plot_expressions.py", line 42 in get_symbol_colors
    renderer.startRender(renderer_context, layer.fields())
  File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\core\additions\qgsfunction.py", line 81 in func
    return self.function(*values)

Thread 0x0000284c (most recent call first):
<no Python frame>

Stack Trace

QgsSymbolRenderContext::setExpressionContextScope :
QgsSymbol::startRender :
QgsCategorizedSymbolRenderer::startRender :
pdal::Option::getName :
PyArg_ParseTuple_SizeT :
PyEval_EvalFrameDefault :
PyFunction_Vectorcall :
PyVectorcall_Call :
PyObject_Call :
PyEval_EvalFrameDefault :
PyObject_GC_Del :
PyFunction_Vectorcall :
PyFloat_FromDouble :
PyVectorcall_Call :
PyObject_Call :
pdal::StreamPointTable::finalize :
QgsPresetSchemeColorRamp::clone :
QgsExpressionFunction::run :
QgsPresetSchemeColorRamp::clone :
QgsExpressionNodeFunction::evalNode :
QgsExpressionNode::eval :
QgsExpression::evaluate :
QgsExpression::cleanRegisteredFunctions :
QgsExpression::cleanRegisteredFunctions :
QgsPointCloudIndex::metadataClassStatistic :
QgsExpressionFunction::run :
QgsExpressionNodeFunction::evalNode :
QgsExpressionNode::eval :
QgsExpressionNodeIndexOperator::evalNode :
QgsExpressionNode::eval :
QgsExpression::evaluate :
QgsProperty::value :
QgsProperty::valueAsColor :
QgsAbstractPropertyCollection::valueAsColor :
QgsSimpleFillSymbolLayer::applyDataDefinedSymbology :
QgsSimpleFillSymbolLayer::renderPolygon :
QgsFillSymbol::renderPolygonUsingLayer :
QgsFillSymbol::renderPolygon :
QgsSymbol::renderFeature :
QgsFeatureRenderer::renderFeature :
QgsVectorLayerProfileResults::visitFeaturesInRange :
QgsVectorLayerProfileResults::visitFeaturesInRange :
QgsVectorLayerProfileResults::visitFeaturesInRange :
QgsMapRendererParallelJob::renderLayerStatic :
QgsProfilePlotRenderer::replaceSourceInternal :
QgsMapRendererParallelJob::renderingFinished :
QgsMapRendererParallelJob::takeLabelingResults :
QtConcurrent::ThreadEngineBase::run :
QThreadPoolPrivate::reset :
QThread::start :
BaseThreadInitThunk :
RtlUserThreadStart :

QGIS Info
DataPlotly 4.0.3
QGIS Version: 3.28.10-Firenze
QGIS code revision: e2edb9c468
Compiled against Qt: 5.15.3
Running against Qt: 5.15.3
Compiled against GDAL: 3.7.1
Running against GDAL: 3.7.1

System Info
CPU Type: x86_64
Kernel Type: winnt
Kernel Version: 10.0.19045