Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a282f463b663b6220e66db8933682c6da34c50b61034747d5d111bcd2aaed85:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^