Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a09edb6817fa986e313379f9b84373cf510a2cecd42eadd38cc0b6475d3e6e00:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^