Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ae18b398ea07c3b218b0203cfb51d7e6531634505e6cf919b88e4ce190401bcb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^