Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d1b59bc79abb9ccbb464bf3ecfccf4d4a64974bced99a660ba71dc8e0bd2bddc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^