Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30cb8a1101ff3cd0dac3a7c20fad02443147f530ab3df71ccb889c2018f37bef:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^