سلام دوستان مشکل برنامه ی من چیه؟؟     
B4A version: 5.50
Parsing code.    (0.00s)
Compiling code.    (0.47s)
Compiling layouts code.    (0.09s)
Generating R file.    (1.62s)
Compiling debugger engine code.    Error
javac 1.7.0_80
shell\src\b4a\example\main.java:11: error: package anywheresoftware.b4a.pc.B4XTypes does not exist
import anywheresoftware.b4a.pc.B4XTypes.B4XClass;
                                       ^
1 error