Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7af0644c2f4f48f6cbbe0dd77b681f92386d2e14f50fccfeb5075ae992bce60d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^