Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6dcb6b2b8db3ae970271e6476297f91343b0d3c18eda916c26a81757bc9f007e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^