Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 536428b93eb8126cc96b2f6dec56622db55ce9ffdf34925458369dbf5e60469d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^