Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 69b7085c19ff019a7e6bf3f70e4cd320eec806f27809a7b25dda08422f4b68cf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^