Export broken

Saw this question asked in a now closed thread.

Happening here too…

Warning: count(): Parameter must be an array or an object that implements Countable in (site folder)

Warning: Cannot modify header information – headers already sent by (output started at /home/customer/www/nailmusic.com/public_html/newsite/wp-content/plugins/gigpress/lib/parsecsv.lib.php:179) in (site folder)

It’s followed by what looks like unformatted output of the file – here’s a snippet:

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Date,Time,End date,Artist,Artist URL,Venue,Address,City,State,Postal code,Country,Venue phone,Venue URL,Admittance,Price,Ticket URL,Ticket phone,External URL,Notes,Tour,Status,Related ID,Related URL 2020-06-28,14:00:00,,X Ensemble,https://www.xensemble.org,Safe Harbors Green,107 Broadway,Newburgh,NY,12550,US,(845) 784-1199,https://www.safe-harbors.org/the-ritz-theater/,All Ages,,,,,”The X Ensemble and Safe Harbors of the Hudson present an outdoor afternoon concert of contemporary Chamber Music, featuring the World Premiere performance of “”Convergence: Series A”” (N. Alexander). The program will also feature existing works by Mr Alexander & other composers (program tbd). This project is made possible with funds from the Decentralization Program, a regrant program of the New York State Council on the Arts with the support of Governor Andrew M. Cuomo and the New York State Legislature and administered by Arts Mid-Hudson.”,,active,0, 2020-06-13,19:00:00,,Piktor’s Metamorphosis,https://metamusic.wix.com/piktorshtml5,Salem Roadhouse Cafe,829 Salem Road,Union,NJ,07083,US,(908) 686-1028,https://www.roadhousecafe.org,All Ages,,,,,Piktor’s returns! Salem Roadhouse Cafe.,,active,0, 2020-04-23,20:00:00
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Followed all the steps recommended… used the twenty twenty theme and disabled all plugins/caching except for gigpress.

Hope this is helpful.