Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 86b5568c6863ba795c8788e5ba65f211e813e9e67b86d63fb8e30f6f9d672aba:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^