Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 77ab4aefc8eeff0858f4040533af86ccddd0739dd6ff11751f3ffc368f78dded:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^