Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c845d5bd67518f6a8ef5b6645c3a5b581f9e18d3b3209ca975fb701b4aa758bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^