Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ead697e8dada93efd8098310071d33bc2042df485aed9fd1d0b6ca0592d9a32f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^