Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4e601fe8eeaa69854635861160da96f90e8dac16a99aa31f9a73446c305bc73c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^