Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 780aa999672451a7923bb5bc52980b0b2f4a47adf9f7ca45c5fbbc779bc0cbcd:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^