Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 65da1aaebefa509317260f0eef96b00edbd5db05614746f11034e94cf02476f7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^