Whether I import a CSV globally or within an archival description and using the link on the right hand side, I get a 500 error.
atom-test-worker.service - AtoM worker test
Loaded: loaded (/usr/lib/systemd/system/atom-test-worker.service; enabled; vendor preset: enabled)
Active: active (running) since Tue 2020-07-07 13:41:39 CEST; 5s ago
Process: 3472 ExecStop=/bin/kill -s TERM $MAINPID (code=exited, status=0/SUCCESS)
Main PID: 3585 (php)
Tasks: 1
Memory: 15.1M
CPU: 171ms
CGroup: /system.slice/atom-test-worker.service
└─3585 /usr/bin/php -d memory_limit=-1 -d error_reporting=E_ALL symfony jobs:worker
Jul 07 13:41:39 atom810 php[3585]: 2020-07-07 13:41:39 > New ability: arUpdatePublicationStatusJob
Jul 07 13:41:39 atom810 php[3585]: 2020-07-07 13:41:39 > New ability: arFileImportJob
Jul 07 13:41:39 atom810 php[3585]: 2020-07-07 13:41:39 > New ability: arInformationObjectXmlExportJob
Jul 07 13:41:39 atom810 php[3585]: 2020-07-07 13:41:39 > New ability: arXmlExportSingleFileJob
Jul 07 13:41:39 atom810 php[3585]: 2020-07-07 13:41:39 > New ability: arGenerateReportJob
Jul 07 13:41:39 atom810 php[3585]: 2020-07-07 13:41:39 > New ability: arActorCsvExportJob
Jul 07 13:41:39 atom810 php[3585]: 2020-07-07 13:41:39 > New ability: arActorXmlExportJob
Jul 07 13:41:39 atom810 php[3585]: 2020-07-07 13:41:39 > New ability: arRepositoryCsvExportJob
Jul 07 13:41:39 atom810 php[3585]: 2020-07-07 13:41:39 > Running worker...
Jul 07 13:41:39 atom810 php[3585]: 2020-07-07 13:41:39 > PID 3585
I restarted the worker, executed php symfony cc, even rebooted the server - nothing. Still the same.