Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 14279e0405db1a449197210c12f3e3037e56036c7e6e70c50a104efb4f1edd80:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^