Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ca69aca6ce43716aaa36766339183db60aa203260a32e39cc842549d5bfd73d8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^