Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1c9fd44f7de0194e87ad0934f1728e7709d25589b2fb7910c2d8b1a18a397e13:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^