Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4ffd2b6153389cc010d74649bccb3a015d9794d468b3e65f91b3f0b809a40736:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^