Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 348c117bb2738aedce421b581693560b8ffdeaa1cfa5d0c1f10c4812f536a826:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^