Circuit Design Suite (Multisim, Ultiboard)

[APR]

Hello, i really need help, I'm having problems with the connections, for exemple, I don't know how to fix this particular one:

"Error: Connecting 'Bidirectional to Power';   [S1 pin 1P2, Design1]  to  [U3 pin 14, Design1]" .

And I really don't understand the rest...

Error: Connecting 'Power to Bidirectional';   [U3 pin 14, Design1]  to  [S3 pin 1P2, Design1]
Error: Connecting 'Out to Bidirectional';   [U3 pin 15, Design1]  to  [X1 pin X1, Design1]
Error: Connecting 'Not connected to Bidirectional';   [U3 pin 16, Design1]  to  [X1 pin X2, Design1]
Error: Connecting 'Bidirectional to Power';   [U1 pin COM, Design1]  to  [VCC pin VCC, Design1]
Error: Connecting 'Bidirectional to Power';   [U1 pin COM, Design1]  to  [VCC pin VCC, Design1]
Error: Connecting 'Bidirectional to Power';   [U2 pin COM, Design1]  to  [VCC pin VCC, Design1]
Error: Connecting 'Bidirectional to Power';   [U2 pin COM, Design1]  to  [VCC pin VCC, Design1]

No. of Errors: 9
No. of Warnings: 0

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I have to do exactly the same of this: http://www.youtube.com/watch?v=D0T5L18CV9w

I have to do this for thr college

PS: Sorry if the english was bad

[Tom__Sedlack]

For the PIC16F84, VDD (pin 14) is the positive supply and VSS (pin 5) is ground.  That may fix the error.

[APR]

I have a problem with the displays and the crystal, the display sais "Power to Bidirecional" and the crystal " "out of bidirecional" and " not connected to bidirecional".

I have only this problem now