Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a40b8a86912fcb5c2be911daf8e52d79306484568986050cd7a09bf34b9dedc:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^