Arrowstar Posted June 2, 2022 Author Share Posted June 2, 2022 4 hours ago, trinimac said: Hi, I seem to be running into an issue starting the Launch Vehicle Designer for some reason. Shortly after clicking on it, the window pops up, then closes, and the program presents an error window "An error occured while opening Launch Vehicle Designer. Please see the ksptot.log for more details." Looking at the log it gives this "Invalid default value for property 'genericSelectableModels' in class 'SteeringModelsSet': Invalid default value for property 'gammaAngleFitNet' in class 'GenericSelectableSteeringModel': Unrecognized function or variable 'simplefit_dataset'." I've tried running the program as administrator, and reinstalling it. Everything else seems to work fine, so I'm not entirely sure what the issue is. I've got it fixed. Go ahead and redownload the KSPTOT v1.6.9 release. The issue was that the simplefit_dataset file apparently doesn't deploy in MATLAB R2022a, though it did in R2021a. Thanks for catching this! I would not have known about this issue otherwise. Quote Link to comment Share on other sites More sharing options...
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