Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2405a4b9f65d7739a16d31fa649c63420c33b6a099f42ffe8eb6b6f19daea1bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^