Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31f8bce2e37a6f0cbc10d4acbfb7c91691afdcf16d9aa6f78612596261b2b430:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^