Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> acb1aa0ce2127294b3b0bcfe828bd1e7933a2b12d7fca0025ba2fd3b19114103:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^