Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91a7ec71527e1cc0dfc001c939b95d59001ba4f425a073c3252c213459f044fa:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^