Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 72ec18569738ed2d1c1e4269e78678957ec06a095b34d4ee1c2631f73e0bfcbb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^