First, check Tools > Options > Export > Record Characteristics and set the Character Set to UTF-8 Unicode. Try the export again and if it doesn't work, continue to the instructions below.
There is something about the FOLIO host name that is causing the client to crash. To resolve the issue, you will create a new Gateway export destination but instead of the host name, use the IP address of the FOLIO server.
How to find out the IP address of the FOLIO server
Ask your FOLIO support representative for the IP address OR follow the instructions below to ping the FOLIO server to obtain the IP address.
Set up a new Gateway export destination
If problems persist, contact OCLC Support with your library symbol, a screenshot of the error, and the steps you taken so far.
OCLC Connexion crashes every time we export a record to our local system on any workstation