Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 89829f3c47570a0acd265b7b838ae2f5fb3fca5f63ece36105d4605e83bdb8d0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^