This state machine is not statically compilable. The resumable code value(s) 'f' does not have a definition. An alternative dynamic implementation will be used, which may be slower. Consider adjusting your code to ensure this state machine is statically compilable, or else suppress this warning.

This state machine is not statically compilable. The resumable code value(s) 'f' does not have a definition. An alternative dynamic implementation will be used, which may be slower. Consider adjusting your code to ensure this state machine is statically compilable, or else suppress this warning.