Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 308450baf4625a0eff13d39c6b30b1c5d91106b16ba2c2553a47dce72bf97c42:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^