Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a9f8c339378857e8654f99b7a7f7b2988538cfcd280e4baa16b965e3c2cbe75b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^