Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 77c8e42ea9ea52e6a3304980e0546cf97e857f2a1afc1ec84c24507cb7340249:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^