PenciDesign replied
Hi,
Here is a guide from Elementor about this issue:
https://docs.elementor.com/article/300-500-error-while-using-elementor
So, please try with this
Maybe it's issues with "Not Enough Memory Allocated" or from another plugin you're using.
With "Not Enough Memory Allocated" issue, let's contact with your hosting provider and requirement them increase it help you.
Best Regards,
PenciDesign