Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 839adfafe6d5ac6018a20d7215f037dc2e37ec6c02e8f571cd7327a24d668d9d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^