Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 265ca3dc2e05b76be2cb18772775c6fc8cbba5fcb4d80b24aa2c813efaaf397a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^