Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ddce1ef3c0f01a7736ff3234ae71169ccf66f50a620b1de36babeae7f28af808:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^