Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec76aeab1c636081343770992ed66715e41efe34772b6e409ef72d14fa9d4cde:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^