Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 23f8dd02fc4eb1d20f51ec6be6219c9832c7ad324944d25ac947f6f645120ba0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^