I installed Ja Insight Joomla 4 but I get following error. I tried twice.
The server returned a "500 error for Joomla 4
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I just installed JA Insight template and this error appeared. I even tried twice, deleted all files in server and installed the template.
I will delete everything and try to install again.
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I installed a new template - JaSpace. I had following error and the solution https://github.com/joomla/joomla-cms/issues/38474
I deleted the file manually as they suggested and it worked.
All now fine.
Glad to hear that 
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