Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bfcdea5c95060385a73d30184576cdbc2b397d72450048ab448b2d4e952f3fa9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^