Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> de1ac4f0501eb90ca15c2d2bb25ef1c75ea445822da31c877157c50bd69d6dd4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^