Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 462aff30aed9df60fed3ae9600a28f6bb0c05de62df1c68ecbaa16d18a1557ce:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^