Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bef70525b609f3539433e851f3f17e03c9db6b4169a9bad74311368f1aca413e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^