Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b4a7e9568cba4a1717b6fd1031f0604cf2f8cd2d2194903aa7cd238319f74be9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^