Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ebab18f5c75cc8db7e4cd4df3cc0fa9836cd8934a04a86ef3c1a17608cccc481:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^