Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b16dba0cbb8041810c89f08481520d680f3c62638f108081b35a5a1cd555520d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^