Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c79dfa10584fc089ce1a7108c48b00f7323b405f9f95649c5d04e1f8fd144a4b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^