Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ff9a37376fb0d191bae4eebb2542fbece6c1db712ab978b661cdcfb7b3fdda5e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^