Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d7fbc75730f47fc98e1e8b63f502a2d9590f2cfe220edb56065901e22aa87a5c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^