Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28fc93d4338ebd1bcc9e5633086ac063d020ad2fde44dfcec64050fdd17a1156:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^