Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20abba082cfbeeb9ffbbe57a0acef46f3b93ab5ef53498c56fd7eae953cb50af:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^