Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 71bef2fb494dab29ed838e2ca495b598d0bca33b93dae2dc86db2d0a1a939b2c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^