Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 999885a7861d8fe4d7f50db470a3b56434001b6240f2859f4100b5edf0644c2c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^