Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7b5996d61d5748d12f35f3dd861a05a69afd309fd8f749cd38fcb4e9d720a8c2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^