Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28c3e2806ef9c46eea04e98eb6351fe7e15d683472a18bdc8fbe284f91c51a71:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^