Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4e869cd25e81994b440701ec9f5e71105b66fa5e8adafe51813da3f1456cf81b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^