Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 842ca93722d95119b9d9f46112a7599b2de37aca468349f9147934ba9129cd6a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^