Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1ddd6d1bb2aebbfff334bfd02ea874db2f311c4a67d641e324533a8e5da5cb17:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^