Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ccd4f55f155f3fdc7e38fa76cafd605add7d8b6a81c397dd582fa84290e203fc:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^