Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 97ce35017dc0e011c93422f84b9a32c3709944b21a0a490d1966236463f7a15a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^