Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9c1852918fe83fa1048c5200bb3817694adcc87786cff599badfa8e8d504b775:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^