Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 990e4e861ff907be48fe646b47b55d074c9875065f69da0c8f67011881afa908:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^