Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 422f3ed58d1e44e019147aadc8137075e455c8ec29f7300c4586f93d6805a6fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^