Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7c8edaeeffe04dc0390126495c9047528eb6a7a38deb0e32cc6bb2042d30ba44:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^