Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 064cfd7892e59f123dde75cfadc8bb5758e75d2d908500e403f536661274af9c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^