Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fac0effb9a0bfb891b6af275088bc57d1510c7cae1d269f8072a1031fa2af67c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^