Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 75170c8b6a0027bf65ad319ed1dadfd769824d7bdfc8f217a82f67580d91239e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^