Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2f626ec338a28902f42d967491bd3ba0d7ca5633dbd53d4bc7fe7d6572f28566:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^