Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f733768aa1ff2caf688fdde5cce1b21b6cedfefc7daf44328f582ba1c68ebec2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^