if you are just jumping into a thought then it isn't wrong.
example:
So today Dustin and I....
if you are doing a proper sentence then yes it is considered and error
send english plzzzzzzzzzzzzzzzzzzzzz
Answer:
The year was 1857, and U.S. banks needed that gold to reach its destination safely. The banks had invested in businesses that were failing, and this was causing the American people to panic. Investors were losing heavily in the stock market and railroads were unable to pay their debts.