Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2bcc0c7424ffc56a79dac4bcf95c40d48e77c2019448db3852c3551710d100e9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^