Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0b8944f56205f4738a75dc32fe900a777553fe32409fa1b4ce184ca460886617:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^