Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c7c1a94f0f6d4756895a4600b242d4f1e0ce31350eed5dbf28a9ceba5e761308:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^