ngrok error in running ios

[amirhosein5858]

hi,
im getting this error when i want to run ios projcet:

/Users/{USER}/Library/Developer/Xcode/DerivedData/figment-fdqkaeqgnoggvzbvgfhqpllbxtht/Build/Intermediates.noindex/figment.build/Release-iphoneos/figment.build/Script-EF465799C0823186D38FD066.sh: line 2: /Users/{USER}/Desktop/figment-ar/ios/ngrok_launch.sh: Permission denied

any help...?