Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c6e5da68931990e0268148cf5f44d9135a0d2fa9f4abffeba8b9a453aaf187fd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^