Use the links on this page to download fixes for Runtime Error 4609 ('String too long').
Some recent versions of Word in Office for Microsoft 365 give a Runtime Error 4609 when opening the Chronolator Online Workbench or a Chronolator Document.
There are different fixes, depending on where the error occurs.
Ideally, you should upgrade to Chronolator Version 4.0 (or later). Upgrading is free, but as it requires a new licence you might not have time to obtain one. In that case: