Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18fe43aa9bfeb61a1892b5e72db60a2147c7f438b0f50129b856e681511d7db2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^