PennController for IBEX › Forums › Support › Error preventing participants from starting experiment › Reply To: Error preventing participants from starting experiment
October 7, 2021 at 4:53 pm
#7358
![](https://www.pcibex.net/wp-content/uploads/2018/10/IMG_8365-e1540835663655-150x150.jpg)
Keymaster
Hi,
Did you invite them to apply this solution? https://www.skillsgarage.net/kb/error-notallowederror-permission-denied/
Jeremy