Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a99ffe56ed488f625bd87d690fd0a2d5050a9d50304c706c626b8c4c6265eefe:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^