Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b04286ea5747425f4232dde9cda0df7bd66d2be9cbcfd2b91af1b028a08ea2f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^