Error during export using Portico plugin

Software Support
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1

Hello everyone!

On OJS 3.3.0.8, using the Portico plugin (Version 1.1.2.2), when I click on the ‘Export Issues’ button, I have this kind of error:

PHP Warning:  ZipArchive::getStatusString(): Invalid or uninitialized Zip object
              in /plugins/importexport/portico/PorticoExportPlugin.inc.php on line 174
PHP message: Unable to create Portico ZIP: ', referer: https://ojswebsite.com/management/importexport/plugin/PorticoExportPlugin

Following the instructions on this link:

I’ve resolved adding the instruction:

unlink($path);

at line 172 of the file ‘PorticoExportPlugin.inc.php’. Do you know anything about that? Is it due to the php version (I’m using 7.3), an incorrect configuration or a bug of some kind?

Thank you very much for any hint