Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 854d4d12d38b23b3b87fb3ccd825559f8135f3b4fbaf978e6f20bbba975bce93:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^