iOS Question error while running b4i on hostedbuilder

[Makumbi]

Please help i have just got b4i to day iam currently using windows to run b4i on a hosted builder thanks

B4i Version: 6.50
Parsing code.    (0.12s)
Building folders structure.    (0.05s)
Compiling code.    (0.79s)
Compiling layouts code.    (0.04s)
Compiling debugger engine code.    (0.01s)
Building Xcode project    (0.27s)
Sending data to remote compiler.    Error
mobileprovision file not found.

 

[Erel]

You must start with:
Creating a certificate and provisioning profile
and:
Installing B4i-Bridge and debugging first app

 

[Makumbi]

You must start with:
Creating a certificate and provisioning profile
and:
Installing B4i-Bridge and debugging first app

Sorry for asking this again I bought this B4 I today but can I start creating iOS apps before paying the 99 dollars
Cause I thought that i can only pay when I have reached the step of uploading app on Apple store thank can I start building apps without this initial cost then pay later

 

[Erel]

See the requirements section: https://www.b4x.com/b4i.html