Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a7607b8f34dc768dd025e94a542a2362dce72ef5cfa6f42f7e903850b65cbe27:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^