Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 77fe12b2908dc20cd86080c8538aa9c78dea7f22ac02e248464c3f3494b973db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^