Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f33e43c35977395b2d639e79103f99666c2c245886b1f4800e97eb0a6770332:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^