Regarding singular matrix error...if anybody identifies the error,please help me to solve this its very urgent thank u..i also attached the circuit.

[PV29]

when i tried to simulate the circuit,there was an error in simulating and it is displayed that it is due to singular matrix.

i could find any error..in the circuit and kindly help me to solve this..if possible..please correct and attach the copyof it i will be very thankful for your help.

[VBCoder]

You are connecting two "Out" together! that's why Multisim was referring to the pin 5 connection issue.

Also, the stimulation parameters needed to be tuned. Kindly check the file

[PV29]

is there any option to club or add those two outputs and giving to the transistors in the circuit.thanks for your solution regarding my problem explained above.