Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4a5fc21c80548d03a368fe052502d73651f9c4f31f6fed1b1ad4b216a77eae64:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^