Program Error: "Instruction #3 Failed - null"

[Zjnkill60]

almost my error tx enterd this error, could anyone explane it for me please ?

https://solscan.io/tx/2Tqxgks6q7F5iANDjubua6FPqEake8UoSmjFoAMBc6c2EvngaHLmX8PvVmqePD4Bb89dv1BrWpFrSDEjwBF5h2U2

[liangxiwei]

send a tx and the tx not confirm in 8s,then send the same tx again but the first is confirm! so the second tx is error

[asarogers]

What was the solution to this?

[asarogers]

The solution is to ensure there is at least 2.75 SOL in the wallet