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| 2026-02-25 07:24:30.165 ERROR (MainThread) [homeassistant.helpers.event] Error while processing template: Template<template=({% set uren = state_attr('sensor.dynamisch_goedkoopste_periode', 'duurste_na_eerste_goedkope') %} {% set duur = uren | sort(attribute='value', reverse=true) | list %} [ {% for uur in duur %}
"{{ (uur.start | as_datetime).strftime('%H:%M') }} - €{{ '%.4f' | format(uur.value) }}"
{% if not loop.last %}, {% endif %}
{% endfor %} ]) renders=2>
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/helpers/template/__init__.py", line 461, in async_render
render_result = render_with_context(self.template, compiled, **kwargs)
File "/usr/src/homeassistant/homeassistant/helpers/template/context.py", line 45, in render_with_context
return template.render(**kwargs)
~~~~~~~~~~~~~~~^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/jinja2/environment.py", line 1295, in render
self.environment.handle_exception()
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.13/site-packages/jinja2/environment.py", line 942, in handle_exception
raise rewrite_traceback_stack(source=source)
File "<template>", line 1, in top-level template code
File "/usr/local/lib/python3.13/site-packages/jinja2/filters.py", line 438, in do_sort
return sorted(value, key=key_func, reverse=reverse)
TypeError: 'NoneType' object is not iterable
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/helpers/template/__init__.py", line 579, in async_render_to_info
render_info._result = self.async_render( # noqa: SLF001
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
variables, strict=strict, log_fn=log_fn, **kwargs
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/usr/src/homeassistant/homeassistant/helpers/template/__init__.py", line 463, in async_render
raise TemplateError(err) from err
homeassistant.exceptions.TemplateError: TypeError: 'NoneType' object is not iterable
2026-02-25 07:24:30.170 ERROR (MainThread) [homeassistant.components.template.template_entity] TemplateError('TypeError: 'NoneType' object is not iterable') while processing template 'Template<template=({% set uren = state_attr('sensor.dynamisch_goedkoopste_periode', 'duurste_na_eerste_goedkope') %} {% set duur = uren | sort(attribute='value', reverse=true) | list %} [ {% for uur in duur %}
"{{ (uur.start | as_datetime).strftime('%H:%M') }} - €{{ '%.4f' | format(uur.value) }}"
{% if not loop.last %}, {% endif %}
{% endfor %} ]) renders=4>' for attribute 'duurste_periode' in entity 'sensor.dynamisch_spread_indicatie_nom'
2026-02-25 07:24:30.172 ERROR (MainThread) [homeassistant.helpers.event] Error while processing template: Template<template=({% set uren = state_attr('sensor.dynamisch_goedkoopste_periode', 'duurste_na_eerste_goedkope_morgen') %} {% set duur = uren | sort(attribute='value', reverse=true) | list %} [ {% for uur in duur %}
"{{ (uur.start | as_datetime).strftime('%H:%M') }} - €{{ '%.4f' | format(uur.value) }}"
{% if not loop.last %}, {% endif %}
{% endfor %} ]) renders=2>
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/helpers/template/__init__.py", line 461, in async_render
render_result = render_with_context(self.template, compiled, **kwargs)
File "/usr/src/homeassistant/homeassistant/helpers/template/context.py", line 45, in render_with_context
return template.render(**kwargs)
~~~~~~~~~~~~~~~^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/jinja2/environment.py", line 1295, in render
self.environment.handle_exception()
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.13/site-packages/jinja2/environment.py", line 942, in handle_exception
raise rewrite_traceback_stack(source=source)
File "<template>", line 1, in top-level template code
File "/usr/local/lib/python3.13/site-packages/jinja2/filters.py", line 438, in do_sort
return sorted(value, key=key_func, reverse=reverse)
TypeError: 'NoneType' object is not iterable
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/helpers/template/__init__.py", line 579, in async_render_to_info
render_info._result = self.async_render( # noqa: SLF001
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
variables, strict=strict, log_fn=log_fn, **kwargs
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/usr/src/homeassistant/homeassistant/helpers/template/__init__.py", line 463, in async_render
raise TemplateError(err) from err
homeassistant.exceptions.TemplateError: TypeError: 'NoneType' object is not iterable
2026-02-25 07:24:30.174 ERROR (MainThread) [homeassistant.components.template.template_entity] TemplateError('TypeError: 'NoneType' object is not iterable') while processing template 'Template<template=({% set uren = state_attr('sensor.dynamisch_goedkoopste_periode', 'duurste_na_eerste_goedkope_morgen') %} {% set duur = uren | sort(attribute='value', reverse=true) | list %} [ {% for uur in duur %}
"{{ (uur.start | as_datetime).strftime('%H:%M') }} - €{{ '%.4f' | format(uur.value) }}"
{% if not loop.last %}, {% endif %}
{% endfor %} ]) renders=4>' for attribute 'duurste_periode' in entity 'sensor.dynamisch_spread_indicatie_nom_morgen' |
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Ik heb nu ook de prijzen maar incl btw etc gedaan. In de Zonneplan app zet ik het vinkje voor energiebelasting dan ook wel gewoon aan. Ik moet dan wel weer even aan de prijzen wennen. 
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