Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b19d1d536a867ffab5b9cb7c070168f75d352e7d99a497b3f73fac4f6e489678:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^