Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 491d5b44bc9be90908d3b0415dbe1543ebfbc8723f828bdb8dc769962d61e5cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^