Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cf780a37e7c641b32be3792c1e5e29470cecd4d47edf4d1b0a6b5e00020bed18:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^