Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a2efc82e2249ddf500b22f8c95b6e04b45539afbf6a7f49c7cf5126197a7e0f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^