Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 34cfc0a8e6c2ac6f8e7cf76050430cd2efcfae17865f69b120053eafa17827b8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^