Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ef3e912186b6bed204c591b793ae7884709601c577f188c047fc26deafa6db0b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^