Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> efc13ecb7ce500966d2ee52ac646bae20d757839c3682454ab0f34242307536d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^