Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bb21f72be4203723f51e0ca2b33856f47db04191ff6fdf508b3ea92b604fa30b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^