Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d1890fb9e99a61c93bc793e190f7c3b07b2a7688119463a31bbed3d2f842b858:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^