Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc7e87e94b821717846416a6531c1ca4a3c2f767b9d7c469ccfb321cfab2baed:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^