Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80d7950b4dbbe7c152358fde14a7cabd1b343a4000024712fd31d0128e464576:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^