https://github.com/abpframework/abp/commits/b9ae57b38bbfe29837079be54bfab31b9949b55a/framework/src/Volo.Abp.BackgroundWorkers.Hangfire/Volo/Abp/BackgroundWorkers/Hangfire/HangfireBackgroundWorkerManager.cs
The main logic has not changed in a year.
This is not ABP problem, but Hangfire. you can try to change the field length
can you test with the versions i gave you in the screenshot?