Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 13d8975fe284d4a28fa265033c30a1921bfd1417ce1880fb71c8f68ae7c1d1bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^