Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1296f42a6e09783a6d92fabf9ea2f340680cd1dfeef254ef3c12bab1cae823a6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^