Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20bcd38accdaa55fabb0c0ab865320db5aa4eabbedeb994c4a8aa6941dd244c4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^