Code:
C:\Program Files (x86)\DataFlex 19.1\Bin\Studio.exe 

Invalid message. MSG_ONCOMMANDSTRING

Error: 98

Please report this error to Data Access Corporation

MSG_ONIDLE (1564) - oMain (789) - at address 149951
[start] - at address 243593
I got this error while in Visual Designer and clicking on different objects, then clicking back to Code Explorer.