Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ebf2f5992d9d9a83912be3f92b1b30e434c9bde876f9b46f94864b24c865fc2a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^