Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 84997a1a13a63a3b4b92f5c9364c2a041b15dfc5fcf9ac855fa64453395f679a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^