# Export to OPENSTUDIO error "ModelCorePINVOKE"

**URL:** <https://discourse.ladybug.tools/t/export-to-openstudio-error-modelcorepinvoke/1396>\
**Category:** honeybee-legacy\
**Tags:** energy, openstudio\
**Created:** [September 8, 2016, 2:24am UTC](https://discourse.ladybug.tools/t/export-to-openstudio-error-modelcorepinvoke/1396 "2016-09-08T02:24:00Z")\
**Posts on this page:** 1\
**Showing post:** 36

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**Author:** ![Missi](https://discourse.ladybug.tools/letter_avatar_proxy/v4/letter/m/8edcca/32.png) [@Missi](https://discourse.ladybug.tools/u/Missi)\
**Post date:** [September 14, 2020, 3:30am UTC](https://discourse.ladybug.tools/t/export-to-openstudio-error-modelcorepinvoke/1396/36 "2020-09-14T03:30:19Z")

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Thanks @chris installation issues solved.

Now new problem. Is this

> [@Solution exception:'ShadowCalculation' object has no attribute 'setCalculationFrequency'](https://discourse.ladybug.tools/t/solution-exception-shadowcalculation-object-has-no-attribute-setcalculationfrequency/10346):
>
> I have met a problem running the honeybug… can someone tell me how to solve it?

~M

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