Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c1be7540f4989f3c37eb303ebfb28c1d1a6be4509f28b33a2895e97f62d04a81:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^