Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ca1a84c12620886a6b7a7a39261f717bd210b3f3c9b2e29e0211a8d321db5ac8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^