Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4346adae303eef745e682a9fa1be41b3c0b2b6c8bdd9ec5029429d9e0507d3d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^