Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dc54b374f31e072b42c6a8f84a6523b91f2bad068a23c8d7a28f0bf452dc5411:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^