Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4f891bf50d983ae25f952102b4a6b3042afec287983a3ca7a9d6f849ac92e379:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^