Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b16612d7c02e055667f084e6f5eff40753f9b2e111b77e40a2f4ece6a416ce0b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^