Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e3a333fc819e825fab31e9f42f628f066640b9110d0e9d6ae6bac23e85ffebe5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^