Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 872fc9909a4788ec5f20efaf20f1c18495a6dda4d1cdbe7a4f907994ed7593cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^