Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9019c7cb1cb60efcdea61a393a506062ff55901187b0c74fe920705b3c9365e7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^