Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0ec6bb399dde51adcfcd34afc826ebef546bdea25e02ffa50989c067a92dff6c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^