Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 137210aada9150940c98d69187164deabf130323c3d334126702fc7a4054762b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^