Amelia plugin - Error during activation


I’m looking for activate Amelia - WordPress Appointment and Event Booking Plugin but getting an error :

" The plugin generated 3633 characters of unexpected output during activation. If you notice “headers already sent” messages, problems with syndication feeds or other issues, try deactivating or removing this plugin."

I made tests with InstantWP (an other local solution) or online : working.

Does someone know the same issue ?

Any solutions ?

Thank you for your help

local-lightning.log (63.7 KB)

System Details

Local version : 5.9.2
OS : Windows 10
WP version : 5.5.3
PHP version : 7.3.5

Test environment : Twenty twenty theme + Amelia plugin (only 1 plugin)

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