Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cc3fbdc6e902577ca77b7fb03b3d2b48782503c812a911f335cf515a083c79db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^