Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0c8b015abc70006bb492eeb76c6f7d1381535fe29dd58749c0921da21aeeda6e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^