Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 43c1293d0affac836c26c79b5301f1ddc17993efc92a8afd55bdb5d9bf2568bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^