Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 68d1c15e657ce3c0b9c89edb79752b0277d4a07822e2db25f45d6acfc6830638:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^