Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 81cb6a841cb54f405167d8c918d044b01ef5b566c0dff13cdfbf74b4eaef5d0c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^