Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a7f68b95deced4e2c9c228111a0bc9ddf2b998054a8c05c86910f7fd5407e1ad:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^