Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4382116309fac2860310f719a29c1bd0128be95a0d1009d4845d7b6eb7fa77f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^