Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2854d9535d0f541a5bb9007297e199b136c38983eae31b12baaeb7d1fcd163bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^