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I get this error sometimes when running unit tests, and I think sometimes when just running the IDE. Looks like a bug in SerialDataConvertor.SaveSupport.synchronizeName to me.
Created attachment 7191 [details] Sample exception; note it is caught and does not prevent test from passing
Winsys components can sometimes return an empty name. IMO the issue is duplicate of issue #25419. Otherwise if DataObject.rename behaves correctly then the SDC has to generate some fake name e.g. "untitled" or "noname". Reassign to Radek who's the new owner of the settings stuff.
I have changed version from 4.0 dev to S1S 4.2 (Nevada).
I also think it is duplicate. *** This issue has been marked as a duplicate of 25419 ***
verified, closed - it's duplicate.