Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f4efe106dd87b2a7db7900006da75336c24068548b3e3d5f937efef9fdde330c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^