Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 94056993a5e513f8c13b59ea7f3c4a4f6fd827785e1c337d5776909c8c0a1502:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^