The Scenario: You launch ETABS 2016, ready to start a project, but instead of the modeling interface, you are halted by a dialog box stating: "License not recognized (Error 30)."
Check Regional Formats: In some cases, CSI software requires the PC date and number format to be set to US (mm/dd/yyyy) to recognize the license properly. license not recognized error 30 etabs 2016 best
Set Date: Set the date to a time when the license was known to be valid (e.g., late 2016 or 2017). ready to start a project
The most common cause for Error 30 is a mismatch between your local computer settings and the license file parameters. but instead of the modeling interface