Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9fc6cb675f075039bd94a46a4e2064ec1761d7af5d16448c1a420dfa47903b49:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^