Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bd6cf93b8afefac99b882d25b7f90e3982f961528f2d6c31f6bf4e97c35cd3a1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^