Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 73d37d8d25270c49a28cab556f83d980c6e6afc3714972b2b4cc9d2bd663c0e2:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^