Hello Kees,

I don't know the answer to that question...  it's probably not compatible yet as PHP 8 is so new and with it being a major rewrite the list of changes is huge.  However, I'll ask Incomedia to confirm one way or the other.  It could be any one of the items on this very, very long list:

PHP 8 backward incompatible changes

In the meantime, it would be worthwhile checking the entries in the error log on your server.  The reason for the 500 server error will be noted there, and it is still possible that it is something other than PHP 8 which has generated the error.

Kind regards,

Paul

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