Encoders not working

[bassamali01]

Hi,

I followed Bruce Schafer's youtube video on youtube for encoders. I have 4 motors in our robot for moving right or left or forward. The program doesn't work and gives and error about the block. I don't exactly know the error right now. These are my blocks. Can anyone see if it has any errors?
https://goo.gl/photos/K4fpLVVBXZg3KZox7

[Tom Eng]

Hi Ali

What error messages are you getting when you run the op mode?

Tom

[bassamali01]

Hi Ali

What error messages are you getting when you run the op mode?

Tom

Yeah, right now I exactly don't remember the error. I will post it tomorrow as soon as we start to meet for robotics. But I have given the picture of my program. There might be a problem in it.

[bassamali01]

I tried it but now i cannot even initialize it. When I click on to start when comes back to initialize. So basically I cannot start the program.

[bassamali01]

I tried it but now i cannot even initialize it. When I click on to start when comes back to initialize. So basically I cannot start the program.

I am sorry for being late but now the encoder program is just moving forward and then gives an error.
https://goo.gl/photos/yAA11PgouYKDc4V7A