Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> de55486610ab70fe764e01a5539a7c3790355c6dd8763f85ee4e81a0dc69698d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^