Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 13c7e04f41f7f23299aa508f69dd0b4d5c8f5a2ebda69dfc14403211852d7358:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^