Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6c6640112697928b64de664752f67547c2a7fb2401b024e59011c1e4f418096f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^