Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91bdcc3b1eff2f69f5f5ecba4d69adcc15cfbde0d85e61d55a00b3b7dd61a4dc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^